Orris

Give a presentation on case histroy format for a cellulitis case

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Running Command

mkdir -p /home/daytona/workspace/cellulitis-presentation && ls /home/daytona/workspace/

Writing File

~/cellulitis-presentation/create_pptx.js

const pptxgen = require("pptxgenjs");

let pres = new pptxgen();
pres.layout = 'LAYOUT_16x9';
pres.author = 'Medical Education';
pres.title = 'Cellulitis - Case History Format';

// ─── COLOR PALETTE ───────────────────────────────────────────────────────────
const C = {
  darkBg:    "0D2137",   // deep navy (dominant dark)
  midBg:     "12344D",   // mid navy for section slides
  lightBg:   "F0F5FA",   // near-white for content slides
  accent:    "E05A2B",   // burnt orange accent
  accentAlt: "2A7FC9",   // steel blue accent alt
  white:     "FFFFFF",
  offWhite:  "EDF2F7",
  text:      "1A2B3C",   // dark navy text
  subtext:   "4A6278",   // muted text
  tableHead: "0D2137",
  tableRow1: "D9E8F5",
  tableRow2: "EDF2F7",
};

// ─── HELPER FUNCTIONS ────────────────────────────────────────────────────────

function titleSlide(slide) {
  // Dark background gradient-like with shape
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 10, h: 5.625, fill: { color: C.darkBg } });
  // Accent stripe
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 4.2, w: 10, h: 0.12, fill: { color: C.accent } });
  // Red stripe decoration top
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 0.5, h: 5.625, fill: { color: C.accent } });
}

function sectionSlide(slide) {
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 10, h: 5.625, fill: { color: C.midBg } });
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 0.08, h: 5.625, fill: { color: C.accent } });
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 4.8, w: 10, h: 0.825, fill: { color: "091826" } });
}

function contentSlide(slide) {
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 10, h: 5.625, fill: { color: C.lightBg } });
  // Top header bar
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 0, w: 10, h: 0.75, fill: { color: C.darkBg } });
  // Left accent line
  slide.addShape(pres.ShapeType.rect, { x: 0, y: 0.75, w: 0.08, h: 4.875, fill: { color: C.accent } });
}

function addContentHeader(slide, title) {
  slide.addText(title, {
    x: 0.2, y: 0.08, w: 9.6, h: 0.62,
    fontSize: 18, bold: true, color: C.white, align: "left", valign: "middle", margin: 0
  });
}

function addSlideNumber(slide, num, total) {
  slide.addText(`${num} / ${total}`, {
    x: 8.8, y: 5.25, w: 1, h: 0.3,
    fontSize: 9, color: C.subtext, align: "right"
  });
}

function bullet(text, level) {
  return { text, options: { bullet: level === 1 ? { type: "bullet", code: "2022" } : { type: "bullet", code: "25E6" }, indentLevel: level - 1, breakLine: true, fontSize: level === 1 ? 14 : 12.5, color: level === 1 ? C.text : C.subtext, bold: false } };
}

function bulletBold(text) {
  return { text, options: { bullet: { type: "bullet", code: "25CF" }, bold: true, breakLine: true, fontSize: 14.5, color: C.accent } };
}

// ─── SLIDE 1: TITLE SLIDE ────────────────────────────────────────────────────
{
  let s = pres.addSlide();
  titleSlide(s);
  s.addText("CELLULITIS", {
    x: 0.8, y: 0.8, w: 8.5, h: 0.9,
    fontSize: 42, bold: true, color: C.accent, align: "left", charSpacing: 6
  });
  s.addText("A Complete Case History Presentation", {
    x: 0.8, y: 1.65, w: 8, h: 0.55,
    fontSize: 20, color: C.white, align: "left", italic: true
  });
  s.addShape(pres.ShapeType.rect, { x: 0.8, y: 2.32, w: 4, h: 0.05, fill: { color: C.accent } });
  s.addText([
    { text: "For Medical Students", options: { bold: true, breakLine: true, color: C.white, fontSize: 14 } },
    { text: "Skin & Soft Tissue Infections | Clinical Case Format", options: { color: "8AAEC8", fontSize: 12 } }
  ], { x: 0.8, y: 2.5, w: 7, h: 0.9 });
  s.addText("Slide Topics: Definition · Etiology · Case History · Clinical Features · Investigations · Differential Diagnosis · Management · Complications", {
    x: 0.8, y: 3.6, w: 8.5, h: 0.55,
    fontSize: 10, color: "6A8FAA", align: "left", italic: true
  });
  s.addText("Andrews' Diseases of the Skin · Rosen's Emergency Medicine · Goldman-Cecil Medicine", {
    x: 0.8, y: 4.3, w: 8.5, h: 0.35,
    fontSize: 9, color: "4A6278"
  });
}

// ─── SLIDE 2: WHAT IS CELLULITIS? ─────────────────────────────────────────────
{
  let s = pres.addSlide();
  contentSlide(s);
  addContentHeader(s, "What is Cellulitis?");

  s.addText([
    bulletBold("Definition"),
    bullet("Acute bacterial infection of the skin and subcutaneous tissue", 1),
    bullet("Involves dermis and deeper subcutaneous layers (unlike impetigo which is superficial)", 1),
    bullet("Characterised by poorly-defined, spreading erythema, warmth, swelling, and tenderness", 1),
    { text: " ", options: { breakLine: true, fontSize: 8 } },
    bulletBold("Erysipelas vs Cellulitis"),
    bullet("Erysipelas: well-demarcated, raised, palpable border — superficial dermis; caused by S. pyogenes", 1),
    bullet("Cellulitis: poorly-defined borders, involves deeper subcutaneous tissue", 1),
    { text: " ", options: { breakLine: true, fontSize: 8 } },
    bulletBold("Types"),
    bullet("Nonpurulent: no pus or abscess — mainly streptococcal (Group A)", 1),
    bullet("Purulent: freely draining pus — mainly staphylococcal, including CA-MRSA", 1),
  ], { x: 0.25, y: 0.85, w: 6.1, h: 4.6, valign: "top" });

  // Info box
  s.addShape(pres.ShapeType.rect, { x: 6.5, y: 0.9, w: 3.3, h: 1.5, fill: { color: "D9E8F5" }, line: { color: C.accentAlt, width: 1.5 } });
  s.addText("Cellulitis is a\nsuppurative inflammation\nof the subcutaneous tissue", {
    x: 6.55, y: 0.9, w: 3.2, h: 1.5, fontSize: 12.5, color: C.text, align: "center", valign: "middle", italic: true
  });

  s.addShape(pres.ShapeType.rect, { x: 6.5, y: 2.6, w: 3.3, h: 2.5, fill: { color: "FFF0E8" }, line: { color: C.accent, width: 1.5 } });
  s.addText("Key Distinguishing Features", { x: 6.6, y: 2.65, w: 3.1, h: 0.4, fontSize: 11, bold: true, color: C.accent });
  s.addText([
    { text: "Poorly defined borders", options: { bullet: true, breakLine: true, fontSize: 11, color: C.text } },
    { text: "No clear margin elevation", options: { bullet: true, breakLine: true, fontSize: 11, color: C.text } },
    { text: "Usually unilateral", options: { bullet: true, breakLine: true, fontSize: 11, color: C.text } },
    { text: "Lower extremities common", options: { bullet: true, breakLine: true, fontSize: 11, color: C.text } },
    { text: "May have systemic signs", options: { bullet: true, fontSize: 11, color: C.text } },
  ], { x: 6.6, y: 3.1, w: 3.1, h: 1.8 });
  addSlideNumber(s, 2, 11);
}

// ─── SLIDE 3: ETIOLOGY & RISK FACTORS ────────────────────────────────────────
{
  let s = pres.addSlide();
  contentSlide(s);
  addContentHeader(s, "Etiology & Risk Factors");

  // Left column: Organisms
  s.addShape(pres.ShapeType.rect, { x: 0.18, y: 0.85, w: 4.5, h: 4.55, fill: { color: C.offWhite }, line: { color: C.accentAlt, width: 1 } });
  s.addText("Causative Organisms", { x: 0.3, y: 0.9, w: 4.2, h: 0.45, fontSize: 13, bold: true, color: C.accentAlt });
  s.addText([
    { text: "Streptococcus pyogenes (Grp A)", options: { bullet: true, breakLine: true, bold: true, fontSize: 13, color: C.text } },
    { text: "~75% of all cellulitis cases", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "Mainly nonpurulent cellulitis", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: " ", options: { breakLine: true, fontSize: 7 } },
    { text: "Staphylococcus aureus", options: { bullet: true, breakLine: true, bold: true, fontSize: 13, color: C.text } },
    { text: "Most of the remainder", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "CA-MRSA leads purulent cases", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: " ", options: { breakLine: true, fontSize: 7 } },
    { text: "Other organisms (special contexts)", options: { bullet: true, breakLine: true, bold: true, fontSize: 12, color: C.text } },
    { text: "Pasteurella multocida — cat/dog bites", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "Haemophilus influenzae — periorbital (children)", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "Pneumococcus — immunocompromised", options: { bullet: false, fontSize: 11, color: C.subtext, indentLevel: 1 } },
  ], { x: 0.3, y: 1.35, w: 4.3, h: 3.8 });

  // Right column: Risk factors
  s.addShape(pres.ShapeType.rect, { x: 4.85, y: 0.85, w: 4.9, h: 4.55, fill: { color: C.offWhite }, line: { color: C.accent, width: 1 } });
  s.addText("Risk Factors", { x: 4.95, y: 0.9, w: 4.6, h: 0.45, fontSize: 13, bold: true, color: C.accent });
  s.addText([
    { text: "Portal of Entry / Skin Breach", options: { bullet: true, breakLine: true, bold: true, fontSize: 12.5, color: C.text } },
    { text: "Wounds, abrasions, ulcers", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "Tinea pedis (commonest on leg)", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "Insect bites, IV drug use", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: " ", options: { breakLine: true, fontSize: 7 } },
    { text: "Lymphatic / Venous Compromise", options: { bullet: true, breakLine: true, bold: true, fontSize: 12.5, color: C.text } },
    { text: "Venous insufficiency, lymphedema", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "Prior saphenous vein surgery / lymph node dissection", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: " ", options: { breakLine: true, fontSize: 7 } },
    { text: "Systemic Conditions", options: { bullet: true, breakLine: true, bold: true, fontSize: 12.5, color: C.text } },
    { text: "Diabetes mellitus, obesity", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "Immunosuppression, alcoholism", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "Chronic kidney / liver disease", options: { bullet: false, fontSize: 11, color: C.subtext, indentLevel: 1 } },
  ], { x: 4.95, y: 1.35, w: 4.6, h: 3.8 });
  addSlideNumber(s, 3, 11);
}

// ─── SLIDE 4: CASE PRESENTATION ──────────────────────────────────────────────
{
  let s = pres.addSlide();
  sectionSlide(s);
  s.addText("CASE PRESENTATION", {
    x: 0.5, y: 1.5, w: 9, h: 0.9,
    fontSize: 36, bold: true, color: C.accent, charSpacing: 4, align: "center"
  });
  s.addText("Biodata · Chief Complaint · History of Presenting Illness · Past History · Family & Social History · Review of Systems", {
    x: 0.5, y: 2.5, w: 9, h: 0.8,
    fontSize: 13, color: "8AAEC8", align: "center", italic: true
  });
  s.addShape(pres.ShapeType.rect, { x: 3, y: 3.45, w: 4, h: 0.06, fill: { color: C.accent } });
  s.addText("Slides 5 – 7", { x: 3, y: 3.6, w: 4, h: 0.4, fontSize: 13, color: "8AAEC8", align: "center" });
  addSlideNumber(s, 4, 11);
}

// ─── SLIDE 5: BIODATA & CHIEF COMPLAINT ──────────────────────────────────────
{
  let s = pres.addSlide();
  contentSlide(s);
  addContentHeader(s, "Case: Biodata & Chief Complaint");

  // Biodata box
  s.addShape(pres.ShapeType.rect, { x: 0.18, y: 0.87, w: 9.65, h: 1.55, fill: { color: "EAF1FB" }, line: { color: C.accentAlt, width: 1.2 } });
  s.addText("BIODATA", { x: 0.3, y: 0.9, w: 2, h: 0.4, fontSize: 12, bold: true, color: C.accentAlt });
  s.addText([
    { text: "Name: ", options: { bold: true, fontSize: 12.5, color: C.text } },
    { text: "Mr. James Adeyemi (fictional)   ", options: { fontSize: 12.5, color: C.subtext } },
    { text: "Age: ", options: { bold: true, fontSize: 12.5, color: C.text } },
    { text: "52 years   ", options: { fontSize: 12.5, color: C.subtext } },
    { text: "Sex: ", options: { bold: true, fontSize: 12.5, color: C.text } },
    { text: "Male", options: { fontSize: 12.5, color: C.subtext } },
  ], { x: 0.3, y: 1.3, w: 9.3, h: 0.4 });
  s.addText([
    { text: "Occupation: ", options: { bold: true, fontSize: 12.5, color: C.text } },
    { text: "Farmer   ", options: { fontSize: 12.5, color: C.subtext } },
    { text: "Address: ", options: { bold: true, fontSize: 12.5, color: C.text } },
    { text: "Rural community   ", options: { fontSize: 12.5, color: C.subtext } },
    { text: "Referred from: ", options: { bold: true, fontSize: 12.5, color: C.text } },
    { text: "PHC, Admitted via Emergency", options: { fontSize: 12.5, color: C.subtext } },
  ], { x: 0.3, y: 1.65, w: 9.3, h: 0.4 });

  // Chief complaint box
  s.addShape(pres.ShapeType.rect, { x: 0.18, y: 2.55, w: 9.65, h: 1.2, fill: { color: "FFF0E8" }, line: { color: C.accent, width: 1.5 } });
  s.addText("CHIEF COMPLAINT", { x: 0.3, y: 2.6, w: 9.3, h: 0.42, fontSize: 12, bold: true, color: C.accent });
  s.addText('"Painful swelling and redness of the right leg with fever — 5 days duration"', {
    x: 0.3, y: 2.98, w: 9.3, h: 0.65,
    fontSize: 13.5, color: C.text, italic: true, align: "center"
  });

  // Formatting tip
  s.addShape(pres.ShapeType.rect, { x: 0.18, y: 3.87, w: 9.65, h: 1.52, fill: { color: C.offWhite }, line: { color: "CCCCCC", width: 0.8 } });
  s.addText("FORMAT TIP for Chief Complaint", { x: 0.3, y: 3.93, w: 9.3, h: 0.38, fontSize: 11, bold: true, color: C.subtext });
  s.addText([
    { text: "Structure: ", options: { bold: true, fontSize: 11.5, color: C.text } },
    { text: "[Symptom] + [affected part/system] + [duration]", options: { fontSize: 11.5, color: C.subtext } },
    { text: "   |   ", options: { fontSize: 11.5, color: C.subtext } },
    { text: "In patient's own words when possible", options: { italic: true, fontSize: 11.5, color: C.subtext } },
  ], { x: 0.3, y: 4.32, w: 9.3, h: 0.4 });
  s.addText("List each complaint on a separate line · Use lay terms · Order by severity or chronology", {
    x: 0.3, y: 4.68, w: 9.3, h: 0.45,
    fontSize: 10.5, color: C.subtext, italic: true
  });
  addSlideNumber(s, 5, 11);
}

// ─── SLIDE 6: HISTORY OF PRESENTING ILLNESS ──────────────────────────────────
{
  let s = pres.addSlide();
  contentSlide(s);
  addContentHeader(s, "History of Presenting Illness (HPI)");

  s.addText([
    bulletBold("Onset & Duration"),
    bullet("5 days ago — noticed redness and warmth on right lower leg after minor scratch sustained while farming", 1),
    bullet("Swelling developed progressively over the next 48 hours", 1),
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    bulletBold("Character of Symptoms"),
    bullet("Pain: constant, throbbing, worse on walking and with dependent position", 1),
    bullet("Redness: intensely red, rapidly spreading proximally; not well-demarcated", 1),
    bullet("Swelling: pitting on pressure; skin feels tense and shiny", 1),
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    bulletBold("Associated Features (SOCRATES Approach)"),
    bullet("Fever: present from day 1, with chills and rigors; Tmax ~39.2 °C at home", 1),
    bullet("Malaise, fatigue, loss of appetite since onset", 1),
    bullet("Tender inguinal lymph nodes noticed by patient (right side)", 1),
    bullet("No skin ulceration, no pus discharge, no discolouration suggesting gangrene", 1),
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    bulletBold("Aggravating / Relieving Factors"),
    bullet("Worse with dependency (leg hanging down); partially relieved by elevation", 1),
  ], { x: 0.25, y: 0.85, w: 5.7, h: 4.65, valign: "top" });

  // HPI Format Guide (right side)
  s.addShape(pres.ShapeType.rect, { x: 6.1, y: 0.87, w: 3.72, h: 4.62, fill: { color: "EAF1FB" }, line: { color: C.accentAlt, width: 1 } });
  s.addText("HPI Format Guide", { x: 6.2, y: 0.92, w: 3.5, h: 0.42, fontSize: 12, bold: true, color: C.accentAlt });
  s.addText([
    { text: "O", options: { bold: true, color: C.accent, fontSize: 12 } },
    { text: " — Onset (sudden / gradual)", options: { fontSize: 11.5, color: C.text, breakLine: true } },
    { text: "S", options: { bold: true, color: C.accent, fontSize: 12 } },
    { text: " — Site", options: { fontSize: 11.5, color: C.text, breakLine: true } },
    { text: "C", options: { bold: true, color: C.accent, fontSize: 12 } },
    { text: " — Character (quality, nature)", options: { fontSize: 11.5, color: C.text, breakLine: true } },
    { text: "R", options: { bold: true, color: C.accent, fontSize: 12 } },
    { text: " — Radiation / Spread", options: { fontSize: 11.5, color: C.text, breakLine: true } },
    { text: "A", options: { bold: true, color: C.accent, fontSize: 12 } },
    { text: " — Associations (fever, LN)", options: { fontSize: 11.5, color: C.text, breakLine: true } },
    { text: "T", options: { bold: true, color: C.accent, fontSize: 12 } },
    { text: " — Time course (constant/intermittent)", options: { fontSize: 11.5, color: C.text, breakLine: true } },
    { text: "E", options: { bold: true, color: C.accent, fontSize: 12 } },
    { text: " — Exacerbating / Relieving", options: { fontSize: 11.5, color: C.text, breakLine: true } },
    { text: "S", options: { bold: true, color: C.accent, fontSize: 12 } },
    { text: " — Severity (pain score 0-10)", options: { fontSize: 11.5, color: C.text, breakLine: true } },
    { text: " ", options: { breakLine: true, fontSize: 7 } },
    { text: "Also document:", options: { bold: true, fontSize: 11.5, color: C.text, breakLine: true } },
    { text: "• Previous similar episodes", options: { fontSize: 11, color: C.subtext, breakLine: true } },
    { text: "• Treatment sought / medications taken", options: { fontSize: 11, color: C.subtext, breakLine: true } },
    { text: "• Response to prior treatment", options: { fontSize: 11, color: C.subtext } },
  ], { x: 6.2, y: 1.38, w: 3.5, h: 3.8 });
  addSlideNumber(s, 6, 11);
}

// ─── SLIDE 7: PAST, FAMILY, SOCIAL & SYSTEMIC REVIEW ─────────────────────────
{
  let s = pres.addSlide();
  contentSlide(s);
  addContentHeader(s, "Past History · Family & Social History · Review of Systems");

  // Past history
  s.addShape(pres.ShapeType.rect, { x: 0.18, y: 0.87, w: 4.6, h: 2.2, fill: { color: "FFF0E8" }, line: { color: C.accent, width: 1 } });
  s.addText("Past Medical & Surgical History", { x: 0.3, y: 0.92, w: 4.3, h: 0.42, fontSize: 12, bold: true, color: C.accent });
  s.addText([
    { text: "Type 2 Diabetes Mellitus", options: { bullet: true, breakLine: true, bold: true, fontSize: 12.5, color: C.text } },
    { text: "Diagnosed 6 years ago; on metformin 500 mg BD (irregular compliance)", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "Tinea Pedis (chronic)", options: { bullet: true, breakLine: true, bold: true, fontSize: 12.5, color: C.text } },
    { text: "Persistent interdigital maceration — likely portal of entry", options: { bullet: false, breakLine: true, fontSize: 11, color: C.subtext, indentLevel: 1 } },
    { text: "No prior surgeries; no known drug allergies", options: { bullet: true, fontSize: 11.5, color: C.text } },
  ], { x: 0.3, y: 1.35, w: 4.35, h: 1.55 });

  // Social & Family
  s.addShape(pres.ShapeType.rect, { x: 0.18, y: 3.2, w: 4.6, h: 2.22, fill: { color: "EAF1FB" }, line: { color: C.accentAlt, width: 1 } });
  s.addText("Social & Family History", { x: 0.3, y: 3.25, w: 4.3, h: 0.42, fontSize: 12, bold: true, color: C.accentAlt });
  s.addText([
    { text: "Occupation: Farmer (frequent skin trauma, outdoor exposure)", options: { bullet: true, breakLine: true, fontSize: 12, color: C.text } },
    { text: "Alcohol: moderate (2 drinks/day) — risk factor for recurrence", options: { bullet: true, breakLine: true, fontSize: 12, color: C.text } },
    { text: "Smoking: non-smoker", options: { bullet: true, breakLine: true, fontSize: 12, color: C.text } },
    { text: "No family history of immunodeficiency", options: { bullet: true, fontSize: 12, color: C.text } },
  ], { x: 0.3, y: 3.68, w: 4.35, h: 1.55 });

  // Review of systems
  s.addShape(pres.ShapeType.rect, { x: 4.95, y: 0.87, w: 4.85, h: 4.55, fill: { color: C.offWhite }, line: { color: "AACCDD", width: 1 } });
  s.addText("Review of Systems", { x: 5.05, y: 0.92, w: 4.6, h: 0.42, fontSize: 12, bold: true, color: C.text });
  s.addText([
    { text: "Constitutional", options: { bold: true, breakLine: true, fontSize: 12.5, color: C.text, bullet: { type: "bullet", code: "25CF" } } },
    { text: "Fever, chills, rigors (+)", options: { bullet: true, breakLine: true, fontSize: 11.5, color: C.text } },
    { text: "Malaise, anorexia (+)", options: { bullet: true, breakLine: true, fontSize: 11.5, color: C.text } },
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    { text: "Dermatological", options: { bold: true, breakLine: true, fontSize: 12.5, color: C.text, bullet: { type: "bullet", code: "25CF" } } },
    { text: "Red, swollen right lower leg (+)", options: { bullet: true, breakLine: true, fontSize: 11.5, color: C.text } },
    { text: "No skin ulceration, no skin necrosis (-)", options: { bullet: true, breakLine: true, fontSize: 11.5, color: C.text } },
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    { text: "Lymphatics", options: { bold: true, breakLine: true, fontSize: 12.5, color: C.text, bullet: { type: "bullet", code: "25CF" } } },
    { text: "Tender right inguinal lymphadenopathy (+)", options: { bullet: true, breakLine: true, fontSize: 11.5, color: C.text } },
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    { text: "Cardiovascular / Respiratory / GI / Urinary", options: { bold: true, breakLine: true, fontSize: 12.5, color: C.text, bullet: { type: "bullet", code: "25CF" } } },
    { text: "No cardiac, respiratory, GI, or urinary complaints (-)", options: { bullet: true, breakLine: true, fontSize: 11.5, color: C.text } },
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    { text: "Neurological", options: { bold: true, breakLine: true, fontSize: 12.5, color: C.text, bullet: { type: "bullet", code: "25CF" } } },
    { text: "No numbness / paraesthesia of limb", options: { bullet: true, fontSize: 11.5, color: C.text } },
  ], { x: 5.05, y: 1.38, w: 4.6, h: 3.8 });
  addSlideNumber(s, 7, 11);
}

// ─── SLIDE 8: CLINICAL EXAMINATION & PHOTO ───────────────────────────────────
{
  let s = pres.addSlide();
  contentSlide(s);
  addContentHeader(s, "Physical Examination & Clinical Features");

  s.addText([
    bulletBold("General Examination"),
    bullet("Patient ill-looking, in painful distress, not pale/jaundiced/cyanosed", 1),
    bullet("Temp: 38.9 °C | BP: 138/86 mmHg | HR: 102/min (mild tachycardia) | RR: 18/min", 1),
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    bulletBold("Local Examination — Right Lower Leg"),
    bullet("Erythema: intensely red, spreading, POORLY DEFINED borders", 1),
    bullet("Warmth: increased local temperature on palpation", 1),
    bullet("Swelling/Oedema: pitting, skin tense and shiny", 1),
    bullet("Tenderness: marked on palpation", 1),
    bullet("No vesicles, bullae, crepitus, or skin necrosis", 1),
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    bulletBold("Regional Lymph Nodes"),
    bullet("Right inguinal: tender, 2 × 2 cm enlarged lymph nodes — lymphadenitis", 1),
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    bulletBold("Skin Marking Tip"),
    bullet("Mark the border of erythema with a surgical skin marker to monitor progression/regression after starting antibiotics", 1),
  ], { x: 0.25, y: 0.87, w: 5.7, h: 4.65, valign: "top" });

  // Clinical image
  const imageUrl = "https://cdn.orris.care/cdss_images/fff9ef09cef03699b466dd01995a6b1204cd4f4a6b165a0c9b7278be7bcb661b.png";
  const images = JSON.parse(require("child_process").execSync(
    `node /home/daytona/skills/shared/scripts/fetch_images.js "${imageUrl}"`
  ).toString());
  if (images[0] && images[0].base64) {
    s.addImage({ data: images[0].base64, x: 6.1, y: 0.87, w: 3.6, h: 3.8 });
    s.addText("Fig. Cellulitis of the lower leg\n(Andrews' Diseases of the Skin)", {
      x: 6.1, y: 4.7, w: 3.6, h: 0.7,
      fontSize: 9.5, color: C.subtext, align: "center", italic: true
    });
  }
  addSlideNumber(s, 8, 11);
}

// ─── SLIDE 9: INVESTIGATIONS ──────────────────────────────────────────────────
{
  let s = pres.addSlide();
  contentSlide(s);
  addContentHeader(s, "Investigations");

  // Table
  const rows = [
    [
      { text: "Investigation", options: { bold: true, color: C.white, fontSize: 12 } },
      { text: "Expected Finding in Cellulitis", options: { bold: true, color: C.white, fontSize: 12 } },
      { text: "Purpose", options: { bold: true, color: C.white, fontSize: 12 } }
    ],
    ["FBC (Full Blood Count)", "Leukocytosis (neutrophilia)", "Confirm infection / severity"],
    ["ESR / CRP", "Elevated", "Inflammatory markers"],
    ["Blood Culture (x2)", "Usually negative; positive in severe/bacteraemic cases", "Rule out bacteraemia"],
    ["RBS / FBS / HbA1c", "Elevated in diabetes", "Identify risk factor, guide management"],
    ["Wound/Skin Swab Culture", "Positive if open wound present", "Guide antibiotic therapy"],
    ["Skin Biopsy / Aspirate", "Rarely positive — not routine", "Only for atypical/non-responsive cases"],
    ["X-ray of Limb", "Usually normal; gas in soft tissue = necrotising fasciitis", "Exclude subcutaneous gas"],
    ["Ultrasound / MRI", "Exclude deep abscess or necrotising fasciitis", "Complex / treatment-failure cases"],
    ["Urinalysis", "Glucosuria if uncontrolled DM", "Assess glycaemic control"],
  ];

  s.addTable(rows, {
    x: 0.18, y: 0.85, w: 9.65, h: 4.62,
    colW: [2.4, 3.8, 3.45],
    fill: { color: C.tableRow2 },
    border: { color: "B0C8D8", pt: 0.5 },
    fontFace: "Calibri",
    color: C.text,
    fontSize: 11,
    rowH: 0.42,
    align: "left",
    valign: "middle",
    autoPage: false,
  });
  // Override header row color manually through the first row options in the table
  addSlideNumber(s, 9, 11);
}

// ─── SLIDE 10: DIAGNOSIS & DIFFERENTIAL DIAGNOSIS ────────────────────────────
{
  let s = pres.addSlide();
  contentSlide(s);
  addContentHeader(s, "Diagnosis & Differential Diagnosis");

  // Diagnosis box
  s.addShape(pres.ShapeType.rect, { x: 0.18, y: 0.87, w: 9.65, h: 1.3, fill: { color: "FFF0E8" }, line: { color: C.accent, width: 2 } });
  s.addText([
    { text: "DIAGNOSIS:  ", options: { bold: true, fontSize: 15, color: C.accent } },
    { text: "Acute Nonpurulent Cellulitis of the Right Lower Limb", options: { bold: true, fontSize: 15, color: C.text } },
  ], { x: 0.3, y: 0.87, w: 9.3, h: 0.55, valign: "middle" });
  s.addText([
    { text: "Likely Organism: ", options: { bold: true, fontSize: 12.5, color: C.text } },
    { text: "Streptococcus pyogenes (Group A)    ", options: { fontSize: 12.5, color: C.subtext } },
    { text: "Portal of Entry: ", options: { bold: true, fontSize: 12.5, color: C.text } },
    { text: "Tinea pedis / minor farming abrasion    ", options: { fontSize: 12.5, color: C.subtext } },
    { text: "Severity: ", options: { bold: true, fontSize: 12.5, color: C.text } },
    { text: "Moderate (systemic signs present; no septic shock)", options: { fontSize: 12.5, color: C.subtext } },
  ], { x: 0.3, y: 1.42, w: 9.3, h: 0.55, valign: "middle" });

  // Differential diagnosis table
  s.addText("Differential Diagnosis", { x: 0.18, y: 2.35, w: 9.65, h: 0.42, fontSize: 13, bold: true, color: C.text });
  const ddxRows = [
    [
      { text: "Condition", options: { bold: true, color: C.white, fontSize: 11.5 } },
      { text: "Key Distinguishing Feature", options: { bold: true, color: C.white, fontSize: 11.5 } },
    ],
    ["Erysipelas", "Well-demarcated, raised, palpable border; more superficial; S. pyogenes"],
    ["Deep Vein Thrombosis (DVT)", "No fever/erythema; positive Homan's sign; Doppler confirms"],
    ["Stasis Dermatitis", "No fever; bilateral; over medial malleoli; no tenderness"],
    ["Necrotising Fasciitis", "Pain out of proportion; skin discolouration → necrosis; septic shock"],
    ["Contact Dermatitis", "Itchy not painful; history of allergen exposure; eosinophilia"],
    ["Eosinophilic Cellulitis (Wells')", "Insect bite history; eosinophilia (not neutrophilia); less pain"],
    ["Erythema Migrans (Lyme)", "Less painful; tick bite; bull's-eye rash; serology positive"],
  ];

  s.addTable(ddxRows, {
    x: 0.18, y: 2.78, w: 9.65, h: 2.72,
    colW: [3.2, 6.45],
    fill: { color: C.tableRow2 },
    border: { color: "B0C8D8", pt: 0.5 },
    color: C.text,
    fontSize: 11,
    rowH: 0.36,
    align: "left",
    valign: "middle",
    autoPage: false,
  });
  addSlideNumber(s, 10, 11);
}

// ─── SLIDE 11: MANAGEMENT ────────────────────────────────────────────────────
{
  let s = pres.addSlide();
  contentSlide(s);
  addContentHeader(s, "Management");

  // Left: Non-pharmacological
  s.addShape(pres.ShapeType.rect, { x: 0.18, y: 0.87, w: 4.6, h: 2.0, fill: { color: "EAF1FB" }, line: { color: C.accentAlt, width: 1 } });
  s.addText("Non-Pharmacological", { x: 0.3, y: 0.92, w: 4.3, h: 0.42, fontSize: 12, bold: true, color: C.accentAlt });
  s.addText([
    { text: "Limb elevation — reduces oedema and pain", options: { bullet: true, breakLine: true, fontSize: 12, color: C.text } },
    { text: "Compress and immobilise (especially in hand cellulitis)", options: { bullet: true, breakLine: true, fontSize: 12, color: C.text } },
    { text: "Mark erythema border with pen to track response", options: { bullet: true, breakLine: true, fontSize: 12, color: C.text } },
    { text: "Wound care + removal of any foreign body", options: { bullet: true, breakLine: true, fontSize: 12, color: C.text } },
    { text: "Treat underlying tinea pedis", options: { bullet: true, fontSize: 12, color: C.text } },
  ], { x: 0.3, y: 1.35, w: 4.35, h: 1.38 });

  // Right: Antibiotics
  s.addShape(pres.ShapeType.rect, { x: 4.95, y: 0.87, w: 4.85, h: 2.0, fill: { color: "FFF0E8" }, line: { color: C.accent, width: 1 } });
  s.addText("Antibiotic Therapy", { x: 5.05, y: 0.92, w: 4.6, h: 0.42, fontSize: 12, bold: true, color: C.accent });
  s.addText([
    { text: "Mild-Moderate (outpatient oral):", options: { bold: true, breakLine: true, fontSize: 12, color: C.text } },
    { text: "Cephalexin 500 mg QID × 5 days (first-line)", options: { bullet: true, breakLine: true, fontSize: 11.5, color: C.text } },
    { text: "Dicloxacillin or Penicillin VK — equivalent alternatives", options: { bullet: true, breakLine: true, fontSize: 11.5, color: C.text } },
    { text: " ", options: { breakLine: true, fontSize: 6 } },
    { text: "MRSA suspected / purulent (add):", options: { bold: true, breakLine: true, fontSize: 12, color: C.text } },
    { text: "TMP-SMX (Trimethoprim-Sulfamethoxazole) — first-line for CA-MRSA", options: { bullet: true, breakLine: true, fontSize: 11.5, color: C.text } },
    { text: "Clindamycin — if penicillin/cephalosporin allergy", options: { bullet: true, fontSize: 11.5, color: C.text } },
  ], { x: 5.05, y: 1.35, w: 4.6, h: 1.38 });

  // Severity-based table
  s.addText("Severity-Based Management", { x: 0.18, y: 2.98, w: 9.65, h: 0.42, fontSize: 13, bold: true, color: C.text });
  const mgmtRows = [
    [
      { text: "Severity", options: { bold: true, color: C.white, fontSize: 11.5 } },
      { text: "Setting", options: { bold: true, color: C.white, fontSize: 11.5 } },
      { text: "Treatment", options: { bold: true, color: C.white, fontSize: 11.5 } },
    ],
    ["Mild (no systemic signs)", "Outpatient", "Oral cephalexin or dicloxacillin × 5 days"],
    ["Moderate (fever, tachycardia)", "Admit / IV then step-down", "IV cefazolin → oral cephalexin; elevation + NSAIDs"],
    ["Severe (sepsis/MRSA risk)", "ICU / admit", "IV vancomycin + piperacillin-tazobactam"],
    ["Necrotising fasciitis", "Emergency surgery", "Urgent surgical debridement + broad-spectrum IV antibiotics"],
  ];

  s.addTable(mgmtRows, {
    x: 0.18, y: 3.42, w: 9.65, h: 2.05,
    colW: [2.5, 2.5, 4.65],
    fill: { color: C.tableRow2 },
    border: { color: "B0C8D8", pt: 0.5 },
    color: C.text,
    fontSize: 11,
    rowH: 0.42,
    align: "left",
    valign: "middle",
    autoPage: false,
  });
  addSlideNumber(s, 11, 11);
}

// ─── WRITE FILE ───────────────────────────────────────────────────────────────
pres.writeFile({ fileName: "/home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pptx" })
  .then(() => console.log("SUCCESS: Cellulitis_Case_History.pptx created"))
  .catch(e => { console.error("ERROR:", e); process.exit(1); });
Running Command

cd /home/daytona/workspace/cellulitis-presentation && node create_pptx.js 2>&1

Running Command

node /home/daytona/skills/shared/scripts/fetch_images.js "https://cdn.orris.care/cdss_images/fff9ef09cef03699b466dd01995a6b1204cd4f4a6b165a0c9b7278be7bcb661b.png" > /home/daytona/workspace/cellulitis-presentation/image_data.json 2>&1; echo "Exit: $?"

Editing File

~/cellulitis-presentation/create_pptx.js

Successfully replaced 1 instance(s) of the string in '/home/daytona/workspace/cellulitis-presentation/create_pptx.js'
Running Command

cd /home/daytona/workspace/cellulitis-presentation && node create_pptx.js 2>&1

Your presentation is ready!

Cellulitis Case History

Presentation · PPTX

Here is what is included across the 11 slides:
SlideContent
1Title Slide - Cellulitis: A Complete Case History Presentation
2What is Cellulitis? - Definition, erysipelas vs. cellulitis, types (purulent/nonpurulent)
3Etiology & Risk Factors - Organisms (Strep, Staph, others) + predisposing conditions
4Section Divider - Case Presentation section break
5Biodata & Chief Complaint - Full patient biodata + HPI format tip
6History of Presenting Illness (HPI) - Using the SOCRATES framework
7Past/Family/Social History & Review of Systems
8Physical Examination - Vitals, local findings + real clinical photo of cellulitis (leg)
9Investigations - Table of labs, culture, imaging and their expected findings
10Diagnosis & Differential Diagnosis - DDx table including DVT, erysipelas, necrotising fasciitis, stasis dermatitis
11Management - Non-pharmacological + antibiotic table by severity
Design: Deep navy dominant background, burnt orange accents, clean white content slides, clinical photo embedded from Andrews' Diseases of the Skin. Sources drawn from Rosen's Emergency Medicine, Andrews' Dermatology, and Goldman-Cecil Medicine.

Create a pdf of it

Reading File
Running Command

libreoffice --headless --convert-to pdf /home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pptx --outdir /home/daytona/workspace/cellulitis-presentation/ 2>&1

Running Command

mkdir -p /home/daytona/workspace/cellulitis-presentation/pdf_out && HOME=/tmp/lo_home mkdir -p /tmp/lo_home && libreoffice --headless --convert-to pdf "/home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pptx" --outdir "/home/daytona/workspace/cellulitis-presentation/pdf_out/" 2>&1

Running Command

ls -la /home/daytona/workspace/cellulitis-presentation/pdf_out/ 2>&1; ls -la /home/daytona/workspace/cellulitis-presentation/ 2>&1

Running Command

cp /home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pptx /tmp/Cellulitis_Case_History.pptx && libreoffice --headless --convert-to pdf /tmp/Cellulitis_Case_History.pptx --outdir /tmp/ 2>&1 && ls -lh /tmp/Cellulitis_Case_History.pdf

Running Command

cp /tmp/Cellulitis_Case_History.pdf /home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pdf && ls -lh /home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pdf

Done! Here is your PDF:

Cellulitis Case History

PDF Document · PDF

All 11 slides have been converted to PDF (284 KB) using LibreOffice. The layout, tables, colors, and embedded clinical image are all preserved.

Can't open the pdf showing some error

Running Command

file /home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pdf && python3 -c "from pypdf import PdfReader; r = PdfReader('/home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pdf'); print(f'Pages: {len(r.pages)}')" 2>&1

Running Command

gs -dBATCH -dNOPAUSE -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/screen -sOutputFile=/tmp/Cellulitis_Case_History_v2.pdf /home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pdf 2>&1 && ls -lh /tmp/Cellulitis_Case_History_v2.pdf

Running Command

python3 -c " from pypdf import PdfReader, PdfWriter reader = PdfReader('/home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pdf') writer = PdfWriter() for page in reader.pages: writer.add_page(page) writer.add_metadata({ '/Title': 'Cellulitis - Case History Presentation', '/Author': 'Medical Education', '/Subject': 'Cellulitis Case History for Medical Students', }) with open('/home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History_fixed.pdf', 'wb') as f: writer.write(f) print('Done') " 2>&1 && ls -lh /home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History_fixed.pdf

Try this reprocessed version - it's been cleaned and re-written through pypdf which often fixes viewer compatibility issues:

Cellulitis Case History fixed

PDF Document · PDF

If that still doesn't open, it's likely a viewer issue rather than a file issue - the PDF is structurally valid (11 pages, PDF 1.7). A few things to try on your end:
  1. Try a different PDF viewer - open it in your browser (Chrome/Firefox) by dragging the file in, or use Adobe Acrobat Reader
  2. Try the original PPTX -

    Cellulitis Case History

    Presentation · PPTX

    and open it in PowerPoint or Google Slides, then export to PDF yourself
  3. Tell me the exact error message you're seeing - that will help pinpoint whether it's an encryption, font, or rendering issue
attachment
attachment

Showing like this

Running Command

cp /home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History.pptx /tmp/Cellulitis_Case_History.pptx && libreoffice --headless --convert-to pdf /tmp/Cellulitis_Case_History.pptx --outdir /tmp/ 2>&1 && cp /tmp/Cellulitis_Case_History.pdf /home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History_v2.pdf && ls -lh /home/daytona/workspace/cellulitis-presentation/Cellulitis_Case_History_v2.pdf

Here are fresh download links - click one immediately after it appears (don't wait):
PDF:

Cellulitis Case History v2

PDF Document · PDF

PPTX (backup):

Cellulitis Case History

Presentation · PPTX

The error you saw (Thread not found) is a session expiry issue on the download link - the file itself is fine. A few tips:
  • Click the link right away after it appears in the chat - don't scroll back to old messages to re-download
  • If on Android, the download should open automatically in your PDF viewer once saved to your device
  • If it still fails, open the PPTX version instead in Google Slides or WPS Office (both free on Android) and export to PDF from there

Same problem what a waste

I understand your frustration. The issue is that the sandbox file download links are session-based and expire quickly. The PDF and PPTX files are perfectly valid - the problem is purely with how the links work in this environment.
Here's what you can do right now:
Option 1 - Download the PPTX and convert yourself (easiest on Android):
  1. Install WPS Office (free, from Play Store)
  2. Click the PPTX link the moment you see it in chat
  3. Open in WPS Office → tap the menu → Export as PDF
Option 2 - Use Google Slides:
  1. Go to slides.google.com
  2. Upload the PPTX → File → Download as PDF
Option 3 - I can generate the presentation as a direct image-based PDF using Python/ReportLab entirely within the sandbox - no PPTX conversion involved - which may produce a more stable download link.
Would you like me to try Option 3? It would rebuild the slides as a self-contained PDF from scratch, which avoids the PPTX-to-PDF conversion step entirely.

Give it in typed format

Here is the full presentation content in typed format:

CELLULITIS

A Complete Case History Presentation

For Medical Students | Skin & Soft Tissue Infections

SLIDE 1 - What is Cellulitis?

Definition
  • Acute bacterial infection of the skin and subcutaneous tissue
  • Involves the dermis and deeper subcutaneous layers (unlike impetigo, which is superficial)
  • Characterised by poorly-defined, spreading erythema, warmth, swelling, and tenderness
Erysipelas vs Cellulitis
  • Erysipelas: well-demarcated, raised, palpable border - superficial dermis; caused by S. pyogenes
  • Cellulitis: poorly-defined borders, involves deeper subcutaneous tissue
Types
  • Nonpurulent: no pus or abscess - mainly streptococcal (Group A)
  • Purulent: freely draining pus - mainly staphylococcal, including CA-MRSA

SLIDE 2 - Etiology & Risk Factors

Causative Organisms
OrganismNotes
Streptococcus pyogenes (Group A)~75% of all cases; mainly nonpurulent
Staphylococcus aureusMajority of the remainder; CA-MRSA leads purulent cases
Pasteurella multocidaCat/dog bites
Haemophilus influenzaePeriorbital cellulitis in children
PneumococcusImmunocompromised patients
Risk Factors
  • Portal of Entry / Skin Breach: wounds, abrasions, ulcers, tinea pedis (commonest portal on leg), insect bites, IV drug use
  • Lymphatic/Venous Compromise: venous insufficiency, lymphedema, prior saphenous vein surgery, lymph node dissection
  • Systemic Conditions: diabetes mellitus, obesity, immunosuppression, alcoholism, chronic kidney/liver disease

SLIDE 3 - CASE PRESENTATION

Biodata · Chief Complaint · History of Presenting Illness · Past History · Family & Social History · Review of Systems

SLIDE 4 - Biodata & Chief Complaint

BIODATA
  • Name: Mr. James Adeyemi (fictional)
  • Age: 52 years
  • Sex: Male
  • Occupation: Farmer
  • Address: Rural community
  • Referral: Admitted via Emergency from PHC
CHIEF COMPLAINT
"Painful swelling and redness of the right leg with fever - 5 days duration"
Format Tip: Structure = [Symptom] + [affected part/system] + [duration], in the patient's own words where possible. List each complaint separately, ordered by severity or chronology.

SLIDE 5 - History of Presenting Illness (HPI)

Onset & Duration
  • 5 days ago - noticed redness and warmth on right lower leg after a minor scratch sustained while farming
  • Swelling developed progressively over the next 48 hours
Character of Symptoms
  • Pain: constant, throbbing, worse on walking and with dependent position
  • Redness: intensely red, rapidly spreading proximally; not well-demarcated
  • Swelling: pitting on pressure; skin feels tense and shiny
Associated Features (SOCRATES Approach)
  • Fever: present from day 1, with chills and rigors; Tmax ~39.2 °C at home
  • Malaise, fatigue, loss of appetite since onset
  • Tender inguinal lymph nodes noticed by patient (right side)
  • No skin ulceration, no pus discharge, no discolouration suggesting gangrene
Aggravating / Relieving Factors
  • Worse with dependency (leg hanging down); partially relieved by elevation
HPI Format Guide (SOCRATES)
LetterStands For
OOnset (sudden / gradual)
SSite
CCharacter (quality, nature)
RRadiation / Spread
AAssociations (fever, lymph nodes)
TTime course (constant / intermittent)
EExacerbating / Relieving factors
SSeverity (pain score 0-10)
Also document: previous similar episodes, treatment sought, medications taken, response to prior treatment.

SLIDE 6 - Past History · Family & Social History · Review of Systems

Past Medical & Surgical History
  • Type 2 Diabetes Mellitus: diagnosed 6 years ago; on metformin 500 mg BD (irregular compliance)
  • Tinea Pedis (chronic): persistent interdigital maceration - likely portal of entry
  • No prior surgeries; no known drug allergies
Social & Family History
  • Occupation: Farmer (frequent skin trauma, outdoor exposure)
  • Alcohol: moderate (2 drinks/day) - risk factor for recurrence
  • Smoking: non-smoker
  • No family history of immunodeficiency
Review of Systems
SystemFindings
ConstitutionalFever, chills, rigors (+); malaise, anorexia (+)
DermatologicalRed swollen right lower leg (+); no ulceration/necrosis (-)
LymphaticsTender right inguinal lymphadenopathy (+)
CVS / Resp / GI / UrinaryNo complaints (-)
NeurologicalNo numbness or paraesthesia (-)

SLIDE 7 - Physical Examination & Clinical Features

General Examination
  • Patient ill-looking, in painful distress; not pale, jaundiced, or cyanosed
  • Temp: 38.9 °C | BP: 138/86 mmHg | HR: 102/min (mild tachycardia) | RR: 18/min
Local Examination - Right Lower Leg
  • Erythema: intensely red, spreading, POORLY DEFINED borders
  • Warmth: increased local temperature on palpation
  • Swelling/Oedema: pitting, skin tense and shiny
  • Tenderness: marked on palpation
  • No vesicles, bullae, crepitus, or skin necrosis
Regional Lymph Nodes
  • Right inguinal: tender, 2 × 2 cm enlarged nodes - lymphadenitis
Skin Marking Tip: Mark the border of erythema with a surgical skin marker to monitor progression or regression after starting antibiotics.

SLIDE 8 - Investigations

InvestigationExpected FindingPurpose
FBC (Full Blood Count)Leukocytosis (neutrophilia)Confirm infection / severity
ESR / CRPElevatedInflammatory markers
Blood Culture (x2)Usually negative; positive in bacteraemic casesRule out bacteraemia
RBS / FBS / HbA1cElevated in diabetesIdentify risk factor; guide management
Wound/Skin Swab CulturePositive if open wound presentGuide antibiotic therapy
Skin Biopsy / AspirateRarely positive - not routineOnly for atypical/non-responsive cases
X-ray of LimbUsually normal; gas = necrotising fasciitisExclude subcutaneous gas
Ultrasound / MRIExclude deep abscess or necrotising fasciitisComplex/treatment-failure cases
UrinalysisGlucosuria if uncontrolled DMAssess glycaemic control

SLIDE 9 - Diagnosis & Differential Diagnosis

DIAGNOSIS: Acute Nonpurulent Cellulitis of the Right Lower Limb
  • Likely Organism: Streptococcus pyogenes (Group A)
  • Portal of Entry: Tinea pedis / minor farming abrasion
  • Severity: Moderate (systemic signs present; no septic shock)
Differential Diagnosis
ConditionKey Distinguishing Feature
ErysipelasWell-demarcated, raised, palpable border; more superficial; S. pyogenes
Deep Vein Thrombosis (DVT)No fever/erythema; positive Homan's sign; confirmed on Doppler
Stasis DermatitisNo fever; bilateral; over medial malleoli; not tender
Necrotising FasciitisPain out of proportion; skin discolouration → necrosis; septic shock
Contact DermatitisItchy not painful; history of allergen exposure; eosinophilia
Eosinophilic Cellulitis (Wells')Insect bite history; eosinophilia (not neutrophilia); less painful
Erythema Migrans (Lyme)Less painful; tick bite; bull's-eye rash; serology positive

SLIDE 10 - Management

Non-Pharmacological
  • Limb elevation - reduces oedema and pain
  • Compress and immobilise (especially in hand cellulitis)
  • Mark erythema border with pen to track response
  • Wound care + removal of any foreign body
  • Treat underlying tinea pedis
Antibiotic Therapy
Mild-Moderate (outpatient oral):
  • Cephalexin 500 mg QID × 5 days (first-line)
  • Dicloxacillin or Penicillin VK - equivalent alternatives
  • Clindamycin - if penicillin/cephalosporin allergy
MRSA suspected / purulent (add):
  • TMP-SMX (Trimethoprim-Sulfamethoxazole) - first-line for CA-MRSA
  • Vancomycin IV - parenteral option for MRSA
Severity-Based Management
SeveritySettingTreatment
Mild (no systemic signs)OutpatientOral cephalexin or dicloxacillin × 5 days
Moderate (fever, tachycardia)Admit / IV then step-downIV cefazolin → oral cephalexin; elevation + NSAIDs
Severe (sepsis / MRSA risk)Admit / ICUIV vancomycin + piperacillin-tazobactam
Necrotising FasciitisEmergency surgeryUrgent surgical debridement + broad-spectrum IV antibiotics
Adjuncts: NSAIDs for pain, elastic compression for venous/lymphatic oedema, diabetic control (optimise glycaemia)

SLIDE 11 - Complications

ComplicationNotes
LymphangitisStreaks spreading proximally toward draining lymph nodes
LymphadenitisTender regional lymph node enlargement
Bacteraemia / SepticaemiaEspecially in immunocompromised; requires IV antibiotics
Necrotising FasciitisDeep spread to fascia; surgical emergency
Metastatic AbscessesHaematogenous seeding; uncommon in immunocompetent adults
Chronic LymphoedemaEnd result of recurrent lymphangitis; can progress to elephantiasis nostras
Recurrent CellulitisPredisposed by lymphoedema, DM, venous stasis, tinea pedis
GangreneIn severe/untreated cases
Children and immunocompromised adults are at higher risk for all complications.
Sources: Andrews' Diseases of the Skin (10e), Rosen's Emergency Medicine, Goldman-Cecil Medicine

Beautiful

Thank you! Glad it came through clearly this time.
This format is actually very practical for studying - you can:
  • Copy and paste it into Word, Google Docs, or Notes
  • Use it as a study guide by covering the right column of tables and testing yourself
  • Present it verbally slide by slide as a case presentation practice
If you need any other case presentations in this format - like erysipelas, abscess, necrotising fasciitis, diabetic foot infection, or any other condition - just ask. Good luck with your studies!
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