Clinical Assessment: 65-Year-Old Male with Giddiness, Abdominal Pain & Vomiting

Approach to the Symptom Triad

Understanding "Giddiness"

Differential Diagnosis (Ranked)

🔴 MUST NOT MISS - Life-Threatening

1. Inferior/Posterior Myocardial Infarction (STEMI/NSTEMI)

• The inferior wall of the heart is supplied by the RCA; its ischemia stimulates increased vagal tone, producing nausea, vomiting, and epigastric/abdominal pain
• Dizziness occurs when arrhythmias (bradycardia, heart block) or reduced cardiac output impair cerebral perfusion
• Goldman-Cecil Medicine explicitly states: "Nausea or vomiting - often associated with increased vagal tone secondary to inferior myocardial ischemia or infarction"; dizziness/syncope is precipitated by bradyarrhythmia, heart block, or hypotension
• In a 65-year-old male, CAD prevalence at this age is ~44% for typical angina - making this extremely likely
• A silent MI or atypical MI with no chest pain is common in the elderly

2. Ruptured/Leaking Abdominal Aortic Aneurysm (AAA)

• Rosen's Emergency Medicine describes: epigastric/abdominal pain followed by syncope; pulsatile mass may be palpable
• Risk factors: male sex, age >60, hypertension, smoking, atherosclerosis
• Giddiness here = hemodynamic compromise (presyncope/syncope from blood loss)
• CTA is the test of choice in stable patients; FAST ultrasound if unstable

3. Acute Mesenteric Ischemia

• Frameworks for Internal Medicine: "Abdominal pain is present in most cases... nausea, vomiting, and delirium (particularly in the elderly)"
• Rosen's Emergency Medicine: "Occurs most commonly in elderly men with CV disease, CHF, cardiac dysrhythmias... Mortality is 70%"
• Classic feature: pain out of proportion to physical examination findings
• Early physical exam may be deceptively benign
• Labs: leukocytosis, metabolic acidosis, elevated lactate, amylase, alkaline phosphatase

🟠 SERIOUS - Require Urgent Evaluation

4. Cerebellar Stroke / Posterior Circulation TIA

• Posterior circulation ischemia (vertebrobasilar) classically causes: vertigo + nausea + vomiting (mimics inner ear disease)
• Associated features: dysarthria, ataxia, diplopia, dysphagia - ask specifically
• This is a central vestibular cause; vertical nystagmus = central vertigo until proven otherwise
• In a 65-year-old male with vascular risk factors, this is urgent

5. Hypertensive Emergency / Hypertensive Encephalopathy

• Severe BP elevation can cause giddiness, headache, nausea/vomiting
• Common in uncontrolled hypertensives; check BP immediately

6. Pancreatitis

• Mid-epigastric/abdominal pain, nausea, vomiting
• Risk factors: gallstones, alcohol use
• Labs: elevated lipase (more specific than amylase)

7. Peptic Ulcer Disease / Perforated Peptic Ulcer

• Epigastric pain + vomiting; giddiness if significant blood loss
• NSAIDs, H. pylori history relevant
• Signs of peritonism if perforated

🟡 COMMON BUT LESS URGENT

8. Acute Gastroenteritis / Food Poisoning

• Nausea, vomiting, abdominal cramps; giddiness from dehydration
• Diagnosis of exclusion in this age group

9. Benign Paroxysmal Positional Vertigo (BPPV)

• Most common cause of vertigo overall; sudden rotatory vertigo triggered by head movement
• Usually no abdominal pain - makes this less likely to explain the full triad

10. Vestibular Neuritis / Labyrinthitis

• Viral inner ear infection; severe vertigo + nausea/vomiting, no abdominal pain
• Again, true abdominal pain is unexplained by this diagnosis alone

11. Medication Side Effects / Polypharmacy

• Elderly patients often on antihypertensives, diuretics, digoxin, opioids - all can cause this triad
• Digoxin toxicity classically causes: nausea, vomiting, visual disturbances, arrhythmias

Immediate Workup (Emergency Protocol)

Bedside/Immediate

Urgent Labs

Imaging

Key Clinical Pearls

1. In a 65-year-old man, never let vomiting + abdominal pain + giddiness be attributed to "gastroenteritis" without first ruling out inferior MI by ECG - Goldman-Cecil Medicine
2. Pain out of proportion to exam in an elderly male with vascular risk factors = mesenteric ischemia until proven otherwise - Frameworks for Internal Medicine
3. The combination of giddiness + abdominal pain + vomiting without chest pain does NOT rule out MI - inferior MI is notorious for presenting with exclusively abdominal/GI symptoms
4. Hypoglycemia is a rapid, reversible, and deadly cause of this triad - check glucose immediately in any elderly patient
5. Vertigo of central origin (cerebellar stroke) is indistinguishable from peripheral vertigo by symptoms alone in the first hours; look for HINTS exam findings: Head Impulse test, Nystagmus type, Test of Skew

Suggested Initial Management

• IV access, cardiac monitoring, pulse oximetry
• 12-lead ECG within 10 minutes of presentation
• NPO pending assessment
• IV fluid resuscitation if dehydrated/hypotensive
• Antiemetic (metoclopramide or ondansetron) for symptomatic relief
• Do not give PPI or antacids before ruling out ACS

ECG Interpretation

Automated Report Parameters

Clinical Analysis

✅ What the Machine Says

⚠️ Points of Concern - Do NOT Dismiss

1. Sinus Tachycardia - 112 bpm

• Pain / anxiety
• Dehydration from vomiting
• Hemorrhage (AAA, GI bleed)
• Acute MI (compensatory tachycardia)
• Sepsis / infection
• Pulmonary embolism

2. ST Frontal Axis = 163°

• ST changes in the inferior leads (II, III, aVF)
• Posterior/inferior ischemia
• The machine algorithm may have missed subtle ST depressions/elevations

The automated "Normal ECG except rate" must be treated with skepticism in this clinical scenario. Machine algorithms have well-documented limitations in detecting subtle inferior and posterior MI.

3. QT Dispersion = 78 ms (elevated, normal <60 ms)

• Increased QT dispersion reflects regional heterogeneity of ventricular repolarization
• Associated with increased risk of ventricular arrhythmias
• Can be seen in ischemia

4. Low HRV = 18

• Very low heart rate variability suggests high sympathetic tone or autonomic dysfunction
• Seen in acute cardiac events, sepsis, and hemodynamic stress

Critical Clinical Recommendation

The machine saying "Normal ECG except rate" is NOT sufficient reassurance in this patient.

Immediate Actions Required:

1. Do NOT rely on automated interpretation alone - a trained physician must review the actual 12-lead waveform strip
2. Look specifically at leads II, III, aVF for ST elevation/depression (inferior MI)
3. Look at V1-V4 for posterior MI pattern (tall R in V1, ST depression)
4. Check right-sided leads (V3R, V4R) - essential if inferior MI suspected (detects RV involvement)
5. Repeat ECG in 30 minutes if the first is non-diagnostic but suspicion remains high
6. Send high-sensitivity Troponin immediately - a normal ECG does not rule out NSTEMI
7. Compare with any prior ECG if available

Summary

⚠️ Important Clinical Disclaimer: This prescription is based on the working diagnosis of suspected Acute Coronary Syndrome (ACS) / Inferior MI in a 65-year-old male presenting with giddiness, abdominal pain, vomiting, and sinus tachycardia (112 bpm) with an abnormal ST frontal axis. It must be reviewed and validated by the treating physician against confirmed investigations (Troponin, 12-lead ECG waveform, clinical examination). Never prescribe or administer without physician verification.

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         MEDICAL FOUNDATION's WAMAN PATIL MEMORIAL
                  DEPARTMENT OF MEDICINE / CCU
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Date        : 15 / 07 / 2026         Time: 02:56 AM
IP No.      : ___________            Bed No: ___
Ward        : CCU / Medical Emergency

PATIENT DETAILS
───────────────────────────────────────────────────────
Name        : Mr. ___________________________
Age / Sex   : 65 Years / Male
Weight      : _____ kg
Allergies   : NKDA (No Known Drug Allergies) — CONFIRM

PRESENTING COMPLAINTS
───────────────────────────────────────────────────────
▸ Giddiness (onset: ___ hours)
▸ Abdominal pain (epigastric / periumbilical)
▸ Nausea and vomiting (episodes: ___)

VITALS ON ADMISSION
───────────────────────────────────────────────────────
HR   : 112 bpm (Sinus Tachycardia)
BP   : ___/___  mmHg (Right arm)
      ___/___  mmHg (Left arm) — CHECK BOTH
SpO2 : ___% (room air)
RR   : ___ /min
Temp : ___ °F
GCS  : E_V_M_

ECG (Automated Report)
───────────────────────────────────────────────────────
Rate 112 bpm | PR 132 ms | QRS 82 ms | QTc 421 ms
ST Frontal Axis: 163° (ABNORMAL — needs waveform review)
QT Dispersion: 78 ms (ELEVATED)
Impression: Sinus Tachycardia — machine reads "Normal except
rate" — PHYSICIAN MUST REVIEW FULL WAVEFORM

WORKING DIAGNOSIS
───────────────────────────────────────────────────────
1. Suspected ACS (Inferior / Posterior MI) — Rule Out
2. AAA (Ruptured) — Rule Out
3. Acute Mesenteric Ischemia — Rule Out
4. Acute Gastroenteritis with Dehydration
5. Peptic Ulcer Disease / Pancreatitis

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                    ORDERS / PRESCRIPTION
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MONITORING & NURSING ORDERS
───────────────────────────────────────────────────────
1. Continuous cardiac monitoring (ECG telemetry)
2. Pulse oximetry — continuous
3. BP monitoring every 15 min × 2 hours, then hourly
4. Maintain IV access — 2 large bore IV lines (18G)
5. Strict Input/Output chart
6. NPO (nil per oral) until diagnosis confirmed
7. Fowler's position (head end elevation 30–45°)
8. Call physician if: HR >130 or <50, SBP <90 mmHg,
   SpO2 <92%, new chest pain, altered sensorium

───────────────────────────────────────────────────────
INVESTIGATIONS (STAT — Report within 30 min)
───────────────────────────────────────────────────────
1. 12-Lead ECG — REPEAT NOW (physician to review personally)
   → Right-sided leads: V3R, V4R (if inferior MI on ECG)
2. High-Sensitivity Troponin I — STAT, repeat at 3 hours
3. CBC with differential
4. Serum electrolytes (Na⁺, K⁺, Cl⁻, HCO₃⁻)
5. Blood Urea Nitrogen (BUN) + Serum Creatinine
6. Random Blood Glucose (Bedside glucometer — IMMEDIATE)
7. Serum Lipase and Amylase
8. Liver Function Tests (AST, ALT, ALP, Bilirubin)
9. Serum Lactate
10. Arterial Blood Gas (ABG)
11. Coagulation profile (PT/INR, aPTT)
12. Chest X-ray (PA/AP) — portable if unstable
13. Abdominal Ultrasound (Bedside FAST) — rule out AAA
14. Blood group and cross-match (2 units held)

───────────────────────────────────────────────────────
INTRAVENOUS FLUIDS
───────────────────────────────────────────────────────
1. Inj. Normal Saline 0.9% — 500 mL IV bolus over 30 min
   THEN
   Inj. Ringer's Lactate — 100 mL/hr IV infusion
   (Reassess after 1 L; reduce rate if signs of fluid
   overload — assess JVP, lung crepitations)

   ⚠️ CAUTION: If inferior MI with RV infarction suspected
   (hypotension + clear lungs + elevated JVP), INCREASE
   IV fluids aggressively (500 mL boluses). Do NOT give
   nitrates in this setting.

───────────────────────────────────────────────────────
ANTIEMETIC
───────────────────────────────────────────────────────
2. Inj. Ondansetron 4 mg IV slow push over 2–5 min
   → STAT, then every 8 hours as needed
   (Check QTc before each dose — QTc 421 ms is acceptable)
   → Repeat dose 4 mg IV after 15–30 min if vomiting persists
   If inadequate response:
   Inj. Metoclopramide 10 mg IV over 5 min
   → Every 8 hours PRN
   ⚠️ Avoid promethazine IV in elderly (respiratory depression risk)

───────────────────────────────────────────────────────
ANTIPLATELET THERAPY
(Administer after physician confirms ACS on ECG/Troponin)
───────────────────────────────────────────────────────
3. Tab. Aspirin 325 mg — LOADING DOSE — chew and swallow
   STAT (if ACS confirmed / strongly suspected)
   Then: Tab. Aspirin 75 mg OD orally from Day 2 onwards

4. Tab. Clopidogrel 300 mg — LOADING DOSE — oral STAT
   (if NSTEMI/ACS confirmed — hold if STEMI and PCI planned
    within 1 hour — discuss with cardiologist)
   Then: Tab. Clopidogrel 75 mg OD orally from Day 2

───────────────────────────────────────────────────────
ANTICOAGULATION
(After ACS confirmation, before cardiologist review)
───────────────────────────────────────────────────────
5. Inj. Enoxaparin (LMWH) 1 mg/kg SC every 12 hours
   (Age ≥75 years: reduce to 0.75 mg/kg SC every 12 hrs)
   (CrCl <30 mL/min: reduce to 1 mg/kg SC once daily)
   ⚠️ Check renal function BEFORE administration
   ⚠️ HOLD if AAA or surgical emergency suspected

───────────────────────────────────────────────────────
ANALGESIC (Pain Relief)
───────────────────────────────────────────────────────
6. Inj. Morphine Sulphate 2–4 mg IV slow push
   (ONLY if severe pain AND ACS confirmed; titrate to pain)
   → May repeat 2 mg IV every 5–15 min (max 15 mg)
   ⚠️ Caution: Morphine may mask diagnosis — use only after
   assessment; monitor respiratory rate, SpO2 closely
   ⚠️ Note: Morphine may reduce oral absorption of antiplatelet
   agents — consider IV/crushed formulation if needed

   If morphine not appropriate:
   Inj. Paracetamol 1g IV infusion over 15 min
   → Every 6–8 hours (safer analgesic option in elderly)

───────────────────────────────────────────────────────
GASTROPROTECTION / ULCER PROPHYLAXIS
───────────────────────────────────────────────────────
7. Inj. Pantoprazole 40 mg IV in 100 mL NS over 30 min
   → Once daily (morning)
   (Protects against stress ulcer; covers dual antiplatelet
   GI risk; rule out PUD as cause of symptoms)

───────────────────────────────────────────────────────
OXYGEN THERAPY
───────────────────────────────────────────────────────
8. O₂ via Nasal Cannula at 2–4 L/min
   → Target SpO2 ≥94%
   (Do NOT use high-flow O₂ routinely in ACS unless hypoxic
   — per current guidelines; supplement only if SpO2 <90%)

───────────────────────────────────────────────────────
STATIN THERAPY (High-Intensity)
───────────────────────────────────────────────────────
9. Tab. Atorvastatin 80 mg oral — once at night
   STAT dose tonight; continue daily

───────────────────────────────────────────────────────
ELECTROLYTE CORRECTION
(After lab results available)
───────────────────────────────────────────────────────
10. If K⁺ <3.5 mEq/L:
    Inj. Potassium Chloride 20 mEq in 100 mL NS
    IV infusion over 2 hours (max rate 10 mEq/hr IV)
    Recheck K⁺ after correction
    Target K⁺ ≥4.0 mEq/L in ACS (reduces arrhythmia risk)

11. If K⁺ >5.5 mEq/L: HOLD potassium; manage hyperkalemia

12. If RBS <70 mg/dL:
    50 mL of 50% Dextrose IV bolus STAT
    Recheck glucose in 15 min; start Dextrose infusion

───────────────────────────────────────────────────────
ANTIHYPERTENSIVE / RATE CONTROL
───────────────────────────────────────────────────────
13. If BP >160/100 mmHg AND no signs of cardiogenic shock:
    Tab. Metoprolol Succinate 25 mg oral (after ACS confirmed,
    HR controlled, no bradycardia, no acute LV failure)
    → Consult cardiologist before initiating

    ⚠️ Do NOT give beta-blocker if:
       — HR <60, SBP <90 mmHg
       — Acute decompensated heart failure
       — Active bronchospasm / severe asthma
       — AV block (PR >200 ms — monitor ECG)

14. AVOID Nitrates if:
    — RV infarction suspected (can cause severe hypotension)
    — SBP <90 mmHg
    — Recent sildenafil/tadalafil use (within 24–48 hrs)

───────────────────────────────────────────────────────
URGENT REFERRALS
───────────────────────────────────────────────────────
☐ Cardiology — URGENT (if ACS confirmed)
   Goal: PCI (Percutaneous Coronary Intervention) or
   thrombolysis within door-to-balloon / door-to-needle time
   targets — STEMI: <90 min PCI; <30 min thrombolysis

☐ Surgery / Vascular — URGENT
   (if AAA / mesenteric ischemia not yet excluded)

☐ Gastroenterology — as needed
   (if pancreatitis / PUD confirmed)

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SPECIAL NOTES TO NURSING STAFF
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▸ Aspirin and Clopidogrel ONLY after physician confirms ACS
  on ECG waveform review + clinical assessment
▸ Enoxaparin ONLY after renal function confirmed adequate
▸ Hold ALL anticoagulants if surgical emergency suspected
  (AAA rupture, mesenteric ischemia)
▸ Reassess patient every 30 minutes for first 2 hours
▸ Crash cart / defibrillator to be kept at bedside
▸ Inform cardiologist on call immediately

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REVIEW PLAN
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▸ Review troponin result at 0 hr and 3 hr
▸ Review ECG waveform with senior physician / cardiologist
▸ Review ABG, lactate, and electrolytes in 1 hour
▸ Reassess abdomen clinically — note any peritoneal signs
▸ Revise management plan based on confirmed diagnosis
▸ ICU/CCU transfer criteria: persistent hemodynamic
  instability, arrhythmia, signs of infarction / ischemia

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Signature : ______________________
Name      : Dr. ___________________
Reg. No.  : ______________________
Date/Time : 15-07-2026 / 02:56 AM
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Summary of Drug Rationale

⚠️ Medical Disclaimer: This is an educational clinical framework based on the stated symptoms. Final diagnosis and prescription must be confirmed by a licensed treating physician after full clinical examination and investigation results.

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         MEDICAL FOUNDATION's WAMAN PATIL MEMORIAL
              DEPARTMENT OF MEDICINE / SURGERY
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Date        : 15 / 07 / 2026         Time: 03:00 AM
IP No.      : ___________            Bed No: ___
Ward        : Medical / Surgical Emergency

PATIENT DETAILS
───────────────────────────────────────────────────────
Name        : Mr. ___________________________
Age / Sex   : 65 Years / Male
Weight      : _____ kg
Allergies   : NKDA — CONFIRM BEFORE PRESCRIBING

PRESENTING COMPLAINTS
───────────────────────────────────────────────────────
▸ Abdominal pain (onset / location / character: ___)
▸ Vomiting — 2 to 3 episodes per day
▸ Fever — 2 days ago (recorded temp if known: ___)
  (Currently: afebrile / low-grade / high-grade — assess)

VITALS ON ADMISSION
───────────────────────────────────────────────────────
HR   : ___ bpm       BP  : ___/___ mmHg
Temp : ___ °F / °C   SpO2: ___% (room air)
RR   : ___ /min      GCS : E_V_M_

RELEVANT HISTORY
───────────────────────────────────────────────────────
▸ Location of pain? RUQ / Epigastric / RLQ / Diffuse
▸ Pain before vomiting (appendicitis pattern) or
  vomiting before pain (gastroenteritis pattern)?
▸ Any jaundice / dark urine / pale stools? (biliary)
▸ Radiation to back / shoulder? (pancreatitis / cholecystitis)
▸ Murphy's sign on exam? (cholecystitis)
▸ Rebound / guarding / rigidity? (peritonitis)
▸ Last bowel movement / flatus? (obstruction)
▸ Prior similar episodes / known gallstones?
▸ Alcohol use / NSAID use?
▸ Any urinary symptoms? (UTI / pyelonephritis)

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     DIFFERENTIAL DIAGNOSIS (Ranked by Probability)
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🔴 MUST NOT MISS — SURGICAL EMERGENCIES
 1. Acute Appendicitis (atypical in elderly — may present
    without classic RLQ, high perforation risk)
 2. Acute Cholecystitis / Cholangitis (Charcot's triad:
    RUQ pain + fever + jaundice)
 3. Perforated Peptic Ulcer (board-like rigidity, free air)
 4. Acute Mesenteric Ischemia (pain out of proportion, elderly)

🟠 SERIOUS — URGENT EVALUATION
 5. Acute Pancreatitis (epigastric → back radiation, lipase↑)
 6. Diverticulitis (LLQ pain, fever, elderly male)
 7. Pyelonephritis / Urosepsis (CVA tenderness, dysuria)
 8. Hepatitis (RUQ, jaundice, LFT elevation)

🟡 COMMON — LESS URGENT
 9. Acute Gastroenteritis / Food Poisoning
10. Typhoid / Enteric Fever (endemic area, stepladder fever)
11. Viral Illness with GI involvement

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              INVESTIGATIONS (STAT)
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IMMEDIATE BEDSIDE
──────────────────────────────────────────────────────
□ Temperature (axillary / rectal)
□ Random blood glucose (glucometer)
□ SpO2 monitoring

BLOOD INVESTIGATIONS
──────────────────────────────────────────────────────
□ CBC with differential
  (Leukocytosis → infection / inflammation)
  (Left shift → bacterial infection / perforation)
□ Serum Electrolytes — Na⁺, K⁺, Cl⁻, HCO₃⁻
□ Blood Urea Nitrogen + Serum Creatinine
□ Serum Lipase (pancreatitis — more specific than amylase)
□ Serum Amylase
□ Liver Function Tests: AST, ALT, ALP, GGT, Bilirubin
  (direct + indirect)
□ Serum Bilirubin (jaundice / cholangitis assessment)
□ Serum Lactate (mesenteric ischemia / sepsis)
□ Procalcitonin (bacterial infection severity marker)
□ Blood Culture × 2 sets (if fever persists / sepsis
  suspected — before antibiotics)
□ Widal Test / Blood Culture for S. typhi
  (if typhoid suspected)
□ Urine Routine + Microscopy
□ ABG (if systemically unwell)
□ Coagulation profile (PT/INR, aPTT)

IMAGING
──────────────────────────────────────────────────────
□ Ultrasound Abdomen (FIRST-LINE)
  → Gallstones, cholecystitis (sensitivity 85%,
    specificity 95%), pericholecystic fluid, CBD
    dilatation, ascites, aortic diameter
□ Chest X-ray PA (erect) — free air under diaphragm?
□ X-ray Abdomen (erect + supine) — obstruction /
  perforation
□ CT Abdomen with IV contrast (if:
   — US inconclusive
   — Appendicitis suspected
   — Perforation / mesenteric ischemia suspected)

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            ORDERS / PRESCRIPTION
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NURSING ORDERS
───────────────────────────────────────────────────────
1. IV access — 18G cannula × 1 (or 2 if unstable)
2. Strict NPO — until diagnosis confirmed / surgeon review
3. Strict Input/Output monitoring
4. Temperature charting every 4 hours
5. Vitals (BP, HR, SpO2, Temp, RR) every 2–4 hours
6. Abdominal examination every 4 hours — document
   guarding / rigidity / bowel sounds
7. Inform physician if: Temp >38.5°C, HR >110 bpm,
   SBP <90 mmHg, new peritoneal signs, altered sensorium

───────────────────────────────────────────────────────
IV FLUIDS
───────────────────────────────────────────────────────
1. Inj. Ringer's Lactate (Preferred)
   500 mL IV bolus over 30–60 min — STAT
   THEN: 100–125 mL/hr IV maintenance
   
   OR Inj. Normal Saline 0.9% — 100 mL/hr
   (Use RL preferably — more physiological, better
    for pancreatitis and intra-abdominal sepsis)
   
   Reassess fluid status after every 500 mL
   (JVP, lung crepitations, urine output target ≥0.5 mL/kg/hr)

───────────────────────────────────────────────────────
ANTIEMETIC
───────────────────────────────────────────────────────
2. Inj. Ondansetron 4 mg IV slow push (over 2–5 min)
   → Every 8 hours (8 am / 2 pm / 10 pm)
   → STAT first dose now

   If persistent vomiting after 15–30 min:
   Inj. Metoclopramide 10 mg IV over 5 min
   → Every 8 hours PRN
   ⚠️ Caution with metoclopramide in elderly:
      Risk of extrapyramidal effects; use lowest dose

───────────────────────────────────────────────────────
ANALGESIC
───────────────────────────────────────────────────────
3. Inj. Paracetamol (Acetaminophen) 1 g in 100 mL NS
   IV infusion over 15 min
   → Every 6–8 hours (max 4 g/day)
   → First-line analgesic — safe in elderly, does NOT
     mask surgical diagnosis unreasonably

   ⚠️ AVOID NSAIDs (Diclofenac, Ketorolac) in:
      — Elderly (renal impairment risk)
      — Suspected GI pathology (worsens ulcers, bleeding)
      — Dehydrated patients (acute kidney injury risk)

   If moderate-severe pain not controlled:
4. Inj. Tramadol 50 mg in 100 mL NS IV infusion over 30 min
   → Every 8 hours PRN (titrate to pain)
   OR
   Inj. Pentazocine 30 mg IM (every 6 hours PRN, short-term)
   ⚠️ Opioids: Monitor respiration, avoid in ileus / obstruction

───────────────────────────────────────────────────────
ANTIPYRETIC
───────────────────────────────────────────────────────
5. Tab. Paracetamol 500 mg oral
   → Every 6 hours when febrile (Temp >38°C)
   (If vomiting: use IV Paracetamol 1 g as above — covers
    both analgesia and antipyresis)
   Tepid sponging if Temp >39°C

───────────────────────────────────────────────────────
PROTON PUMP INHIBITOR / GASTROPROTECTION
───────────────────────────────────────────────────────
6. Inj. Pantoprazole 40 mg in 100 mL NS
   IV infusion over 30 min — Once daily (morning)
   (Protects gastric mucosa; covers PUD / gastritis;
    stress ulcer prophylaxis in hospitalised patient)

───────────────────────────────────────────────────────
ANTIBIOTIC THERAPY
(Initiate after blood cultures drawn; adjust on sensitivity)
───────────────────────────────────────────────────────
FOR SUSPECTED INTRA-ABDOMINAL INFECTION
(Cholecystitis / Appendicitis / Peritonitis / Diverticulitis)
Based on ROSEN's Emergency Medicine guidelines:

OPTION A — Low Risk / Community-acquired (first choice):
7a. Inj. Ceftriaxone 2 g in 100 mL NS IV
    Over 30 min — Once daily
    +
    Inj. Metronidazole 500 mg in 100 mL NS IV
    Over 30 min — Every 8 hours
    (Combination covers gram-negative enteric organisms
     AND anaerobes — polymicrobial abdominal infections)

OPTION B — Higher Risk (advanced age + comorbidities):
7b. Inj. Piperacillin-Tazobactam 4.5 g in 100 mL NS IV
    Over 30 min — Every 8 hours
    (Single agent covering gram-positive, gram-negative,
     and anaerobes — preferred in elderly with comorbidities)

⚠️ HOLD ANTIBIOTICS if:
   — Diagnosis is purely viral gastroenteritis
   — Mild typhoid without systemic toxicity (use oral)
   — Surgeon requests to hold for clear surgical abdomen
     assessment
⚠️ Adjust dose for renal impairment once Cr result available

FOR SUSPECTED TYPHOID / ENTERIC FEVER:
7c. Tab. Azithromycin 1 g oral stat (loading dose)
    Then: 500 mg once daily × 5 days
    OR
    Tab. Ciprofloxacin 500 mg oral twice daily × 7–10 days
    (Check local resistance patterns — fluoroquinolone
     resistance rising in South Asia)

───────────────────────────────────────────────────────
ANTISPASMODIC (Abdominal Cramps / Colic)
───────────────────────────────────────────────────────
8. Inj. Hyoscine Butylbromide (Buscopan) 20 mg
   IM / IV slow push — Every 8 hours PRN
   (For crampy, colicky abdominal pain component)
   ⚠️ Avoid if bowel obstruction suspected

───────────────────────────────────────────────────────
POTASSIUM CORRECTION (after electrolyte results)
───────────────────────────────────────────────────────
9. If K⁺ <3.5 mEq/L (likely from vomiting):
   Inj. KCl 20 mEq in 250 mL NS IV
   Over 3–4 hours (NEVER IV bolus)
   Repeat and recheck after each dose
   Oral Syrup K⁺ 15 mL (20 mEq) three times daily
   if patient can tolerate orally

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         CONDITION-SPECIFIC ADD-ONS
         (Once diagnosis is confirmed)
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IF ACUTE CHOLECYSTITIS CONFIRMED:
──────────────────────────────────────────────────────
• Continue antibiotics (Option A or B above)
• Surgical consultation for cholecystectomy
  (Laparoscopic within 72 hours — gold standard)
• Add: Inj. Vitamin K 10 mg IM once (if coagulopathy)
• ERCP referral if CBD stone / cholangitis suspected
• Strict NPO + IV fluids

IF ACUTE PANCREATITIS CONFIRMED:
──────────────────────────────────────────────────────
• AGGRESSIVE IV hydration — RL 250–500 mL/hr initially
  (Target: urine output ≥0.5 mL/kg/hr)
• Strict NPO in first 24–48 hours
• NO antibiotics routinely (only if infected necrosis)
• Analgesia: Inj. Tramadol or Inj. Paracetamol IV
• Calcium and Magnesium levels (check for hypocalcemia)
• Severity scoring: BISAP / RANSON'S score on admission
• ERCP if gallstone pancreatitis with CBD obstruction

IF ACUTE APPENDICITIS CONFIRMED:
──────────────────────────────────────────────────────
• URGENT surgical referral — appendicectomy
• Pre-op: Inj. Ceftriaxone 2g IV + Inj. Metro 500mg IV
• NPO — pre-operatively
• Note: Elderly have HIGH PERFORATION RATE — do not delay

IF TYPHOID CONFIRMED:
──────────────────────────────────────────────────────
• Tab. Azithromycin 1g loading → 500 mg OD × 5 days
• OR Tab. Cefixime 400 mg BD × 7–14 days
• Monitor for complications: intestinal perforation
  (sudden worsening of pain, peritoneal signs)
• Barrier nursing, enteric precautions

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
           DIET AND NURSING INSTRUCTIONS
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▸ NPO initially until diagnosis established
▸ Once vomiting controlled and diagnosis not surgical:
  Clear liquids → sips of water → ORS → soft diet
  (Progress diet slowly based on tolerance)
▸ Avoid fatty, spicy, fried foods (biliary / pancreatic)
▸ Oral Rehydration Solution (ORS) 200–250 mL after
  each vomiting episode once oral intake resumes
▸ Fowler's position (30–45° head elevation)
▸ Fall precaution (elderly patient, unwell, on IV lines)

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
              URGENT REFERRALS
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☐ General Surgery — URGENT (rule out surgical abdomen)
☐ Gastroenterology — if biliary / pancreatic pathology
☐ Internal Medicine — if infection / systemic illness

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              REVIEW PLAN
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▸ Review all investigation results within 2–4 hours
▸ Surgical review within 1 hour if peritoneal signs
▸ Reassess abdomen every 4 hours
▸ Repeat vitals every 2 hours
▸ Escalate to ICU if: signs of sepsis, organ failure,
  hemodynamic instability, surgical emergency

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Signature : ______________________
Name      : Dr. ___________________
Reg. No.  : ______________________
Date/Time : 15-07-2026 / 03:00 AM
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Clinical Summary Table

Clinical Reasoning Summary

🎯 Working Diagnosis: Acute Appendicitis (Atypical Presentation in an Elderly Male)

• Appendix abscess / phlegmon (given 3-5 days of symptoms), OR
• Early perforation with contained peritonitis (diffuse tenderness, resolved fever pattern)

Why This Fits Perfectly

"In the elderly, early symptoms and signs may be absent and the condition presents with abdominal distension, vomiting and generalized tenderness due to a developing peritonitis."

"Pain before vomiting helps distinguish appendicitis from gastroenteritis, in whom nausea occurs first." "Anorexia is so common that the diagnosis of appendicitis should be questioned in its absence" - this patient HAS reduced appetite, supporting the diagnosis.

1. Early inflammation settling temporarily, OR
2. Perforation occurred → pain may briefly lessen → then spreads again (Hinton's lull)

⚠️ URGENT Action Required

IMMEDIATE STEPS:
────────────────────────────────────────────────
1. URGENT surgical referral — General Surgery NOW
2. CT Abdomen with IV contrast (STAT)
   → Most sensitive for appendicitis, abscess,
     perforation in elderly
   → Also rules out any other cause definitively
3. Ultrasound Abdomen (if CT unavailable stat)
4. Blood investigations: CBC (leukocytosis),
   CRP, serum lactate, electrolytes, renal function
5. NPO immediately
6. IV access + IV fluids (Ringer's Lactate)
7. Inj. Ceftriaxone 2g IV + Inj. Metronidazole
   500 mg IV — start now (pre-op coverage)
8. Inj. Paracetamol 1g IV — analgesia
9. DO NOT give purgatives / laxatives (absolutely
   contraindicated - per Pye's Surgical Handicraft)
────────────────────────────────────────────────
If CT shows appendix abscess/phlegmon (no free air):
→ Ochsner-Sherren conservative regimen
→ IV antibiotics, NPO, observe
→ Interval appendicectomy after 3 months

If CT shows perforation / free air / peritonitis:
→ EMERGENCY appendicectomy