Detailed clinical learning notes for a medical student on the following topics Diarrhoea Diseases Chronic Liver Disease Acute Hepatitis Fatty Liver Disease Irritable Bowel Syndrome Gall Stone Disease Liver Abscess

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All 7 topics are now covered with detailed, exam-ready clinical notes. Here is a summary of what is included in each section:

What's Covered

1. Diarrhoea Diseases
  • Mechanistic classification (secretory vs osmotic vs inflammatory vs motility)
  • Acute vs chronic causes, red flags, investigations, and management including ORT principles and specific antibiotic therapy
2. Chronic Liver Disease / Cirrhosis
  • Full pathobiology of hepatic stellate cell activation and portal hypertension (the NO paradox)
  • All complications (varices, ascites, SBP, HRS, hepatic encephalopathy, HCC) with management
  • Child-Pugh and MELD scoring, transplant criteria
3. Acute Hepatitis
  • Direct vs immunologically-mediated injury distinction
  • Full serology table for HAV/HBV/HCV
  • Laboratory features table with AST:ALT ratios for each type
  • King's College Criteria for liver transplant referral
4. Fatty Liver Disease
  • NAFLD/MAFLD/NASH spectrum with complete pathogenesis (insulin resistance, two-hit model)
  • Histological grading (NAS score)
  • Key differentiator: AST:ALT <1 in NAFLD vs >2 in alcoholic liver disease
  • Updated 2024 therapy options including resmetirom
5. Irritable Bowel Syndrome
  • Full Rome IV diagnostic criteria with all subtypes
  • Gut-brain interaction model, visceral hypersensitivity, post-infectious IBS
  • Low FODMAP diet, stepwise pharmacotherapy by subtype
6. Gallstone Disease
  • Stone types and risk factors, "5 Fs"
  • Full clinical spectrum from biliary colic → acute cholecystitis → Charcot's triad → Rigler's triad
  • Tokyo Guidelines diagnostic criteria for cholecystitis, management algorithms
7. Liver Abscess
  • Pyogenic vs amoebic comparison table (including "anchovy sauce" aspirate for amoebic)
  • CT image included
  • Management: antibiotic combinations, drainage indications, amoebic treatment protocol
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