Hey, so my customer has, my patient has a stomach ache. What should I offer to this patient? Or look for in this patient? Sorry.

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Now I have enough information for a solid, structured clinical answer. Here it is:

Approach to a Patient with Abdominal Pain ("Stomach Ache")

Abdominal pain is one of the broadest presentations in medicine. It can be benign and self-limited, or the first sign of a life-threatening emergency. Your job is to systematically narrow the differential.

Step 1: History - the most important tool

Ask about these key features:
FeatureWhat to askWhy it matters
OnsetSudden/explosive vs. gradual?Sudden = perforation, AAA rupture, ischemia; gradual = appendicitis, cholecystitis
LocationWhere exactly? Does it move?Guides your differential (see below)
CharacterSharp, crampy, burning, steady, colicky?Colicky = obstructed viscus; steady = inflammation/ischemia
SeverityScale 1-10Severe out-of-proportion to exam = ischemia
RadiationDoes it spread anywhere?Epigastric to back = pancreatitis; RUQ to right scapula = cholecystitis
TimingConstant vs. intermittent? Duration?Chronic (>6 months) vs. acute vs. subacute
Aggravating/relievingFood, movement, position, BMs, antacids?Eating worsens pancreatitis; eating may relieve PUD
Associated symptomsNausea, vomiting, fever, diarrhea, constipation, bloody stool, jaundice, dysuria, weight lossFever + RLQ = appendicitis; jaundice = biliary/liver
Last menstrual periodIn women of reproductive ageEctopic pregnancy is a must-not-miss
Red flag features suggesting an organic/serious process: fever, night sweats, weight loss, appetite change, or nocturnal awakening from pain.

Step 2: Location-based differential

RegionTop diagnoses to consider
EpigastricPUD, GERD, acute pancreatitis, gastritis, early MI
RUQCholecystitis, hepatitis, biliary colic
LUQSplenic pathology, gastric ulcer
PeriumbilicalEarly appendicitis, small bowel obstruction, intestinal ischemia, AAA
RLQAppendicitis, ovarian cyst/torsion (women), Crohn's disease
LLQDiverticulitis, ovarian cyst/torsion (women), constipation
SuprapubicUTI, pelvic pathology, bladder
DiffusePeritonitis, ischemia, IBS, early obstruction

Step 3: Physical Examination

  • Inspection: Distension, visible peristalsis, surgical scars
  • Auscultation: High-pitched or absent bowel sounds (obstruction vs. ileus)
  • Percussion: Tympany (gas/obstruction), dullness (fluid/mass), loss of liver dullness (free air)
  • Palpation: Tenderness location, guarding (voluntary vs. involuntary), rigidity, rebound tenderness
  • Special signs: Murphy's sign (cholecystitis), McBurney's point (appendicitis), Rovsing's, psoas/obturator signs
  • Don't miss: Hernial orifices (strangulated hernia), costovertebral angle tenderness (pyelonephritis), pelvic exam in women
Involuntary guarding + rebound + rigidity = peritonitis = surgical emergency

Step 4: Immediate triage - does this need urgent surgery?

Conditions requiring urgent surgical evaluation include:
  • Bowel perforation
  • Acute appendicitis
  • Strangulated hernia
  • Intestinal ischemia/obstruction
  • Ruptured ectopic pregnancy
  • Severe colitis with perforation risk
  • Acute cholecystitis (may need intervention)

Step 5: Investigations (guided by history/exam)

  • Labs: CBC (WBC elevation with infection/inflammation), CMP (liver enzymes, bilirubin), lipase/amylase (pancreatitis), urinalysis (UTI, kidney stone), beta-hCG in women
  • Imaging: Abdominal X-ray (obstruction, free air), Ultrasound (gallbladder, ovaries, appendix in thin patients), CT abdomen/pelvis (gold standard for most acute causes), MRI if concerned about radiation
  • ECG: In older patients - inferior MI can present as epigastric pain

Common diagnoses at a glance

DiagnosisKey clue
PUDEpigastric burning, H. pylori risk, NSAID/aspirin use
Acute pancreatitisEpigastric radiating to back, elevated lipase, alcohol/gallstones
CholecystitisRUQ pain after fatty meal, Murphy's sign, fever
AppendicitisPeriumbilical pain migrating to RLQ, anorexia, fever
DiverticulitisLLQ pain, fever, older adult, elevated WBC
IBSChronic crampy pain, relieved by BM, no alarm features
GERDBurning epigastric/substernal, worse lying down or after meals
Ectopic pregnancyWomen of reproductive age, pelvic pain + amenorrhea = emergency
Intestinal ischemiaSevere pain out of proportion to exam, cardiac risk factors

The key takeaway is: start with a thorough history and physical exam - those will direct your workup more than any single test. And always ask yourself first: "Does this patient need surgery or urgent intervention right now?"
(Goldman-Cecil Medicine, Chapter 118; Sleisenger & Fordtran's GI and Liver Disease, Chapter 12)

alopcia arreata images

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Here is a comprehensive visual overview of Alopecia Areata from the medical textbook library:

Alopecia Areata - Clinical Images

1. Classic Patchy Alopecia Areata (Scalp)

A single well-circumscribed, smooth oval patch of hair loss on the scalp - the most common presentation:
Patch of alopecia areata with mild peachy erythema and some fine residual hairs
Fig. 87-1 - Patch of alopecia areata with mild peachy erythema and some fine residual hairs (Fitzpatrick's Dermatology)

2. Patchy Alopecia Areata (Multiple Confluent Patches)

Multiple patches coalescing across the scalp, with white/gray hairs typically spared:
Patient with patchy alopecia areata showing multiple areas of hair loss
Fig. 87-2 - Patient with patchy alopecia areata (Fitzpatrick's Dermatology)

3. Alopecia Areata with Exclamation Point Hairs

Close-up showing residual broken short hairs at the patch edge - the pathognomonic "exclamation point" hairs (tapered proximally, blunt distally):
Patch of alopecia areata with exclamation point hairs visible at the margin
Fig. 87-4 - Patch of alopecia areata with exclamation point hairs (Fitzpatrick's Dermatology)

4. Alopecia Totalis

Complete loss of all scalp hair:
Patient with alopecia areata totalis - completely bald scalp with absent eyebrows
Fig. 87-3 - Patient with alopecia areata totalis (Fitzpatrick's Dermatology)

5. Eyebrow Involvement

Loss of eyebrows - a characteristic extra-scalp manifestation:
Patient with alopecia areata of the eyebrows - near-complete eyebrow loss bilaterally
Fig. 87-5 - Patient with alopecia areata of the eyebrows (Fitzpatrick's Dermatology)

6. Pathogenesis Diagram

The underlying mechanism - CD8+ T cells attack the hair bulb, causing premature catagen transition (and why JAK inhibitors work):
Alopecia areata pathogenesis - IL-15 supports CD8+ T cells that cause premature catagen transition; JAK inhibitors block this pathway
Fig. 13-4 - Mechanism of alopecia areata and role of JAK inhibitors (Fitzpatrick's Dermatology)

Key Clinical Clues at a Glance

FeatureDescription
Patch shapeRound/oval, well-demarcated, smooth scalp
Exclamation point hairsShort, tapered at base - at patch borders
Black dotsBroken-off hair stubs in follicular openings (dermoscopy)
Yellow dotsEmpty follicles filled with keratin/sebum (dermoscopy)
Nail pittingGrid-like pitting in ~10% of patients
White hair sparingPigmented hairs targeted; white/gray hairs often spared
VariantsPatchy → Ophiasis → Totalis → Universalis
(Sources: Fitzpatrick's Dermatology, Andrews' Diseases of the Skin, Dermatology 2-Volume Set 5e)
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