12 results
Acute Diarrhea - Differential Diagnosis Framework
1)  Diagnostic studies only for dysentery, severe disease, >7 days
2)
Acute Diarrhea - ... Differential Diagnosis ... >7 days 2) PCR>culture ... aureus, Bacillus cereus ... Diagnosis #Infectious
Approach to Diarrhea - Differential Diagnosis and Workup Algorithm

Acute Diarrhea (MINT):
 • Medications
 • Infections: Inflammatory
- Differential ... Diagnosis and Workup ... Medications • Infections ... Matthew Ho, MD PhD ... #Differential #
Causes of Acute Infectious Diarrhea
Noninflammatory Diarrhea
Viral - Noroviruses, astrovirus, adenovirus, Rotavirus, sapovirus
Protozoal - Giardia lamblia, Cryptosporidium,
Causes of Acute Infectious ... aureus, Bacillus cereus ... Causes #Acute #Infectious ... #differential # ... diagnosis #table
Infectious Diarrhea - Laboratory Testing

Clostridium difficile
Salmonella enterica, Shigella spp, Campylobacter spp 
Salmonella enterica serovars Typhi and
Infectious Diarrhea ... perfringens Bacillus cereus ... Cytomegalovirus #Infectious ... #Diarrhea #diagnosis ... #differential #
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Erythropoiesis (B12 injections ... losses (NG suction, diarrhea ... Matthew Ho, MD PhD
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic Diarrhea ... - Differential ... Diagnosis Osmotic ... Secretory: • Microscopic ... #Causes #Differential
Suspected Celiac Disease - Diagnosis Algorithm

Celiac disease suspected:
 • Signs and symptoms of celiac disease
 •
Celiac Disease - Diagnosis ... T1DM, Addisons, microscopic ... colitis Differential ... NSAlDs, ARBs) • Infection ... Matthew Ho, MD PhD
Diarrhea with Normal Colonoscopy
 • Colonic: Bile acid malabsorption, Microscopic colitis, Overflow diarrhoea, Missed pathology
 •
Diarrhea with Normal ... malabsorption, Microscopic ... Cystic fibrosis • Infection ... #differential # ... diagnosis
Clinical Presentations Suggestive of Infectious Diarrhea Etiologies
 • Persistent or chronic diarrhea - Cryptosporidium spp, Giardia
Suggestive of Infectious ... enterotoxin or Bacillus cereus ... perfringens or B. cereus ... #Diarrhea #diagnosis ... #differential #
Causes of Chronic Diarrhea
Osmotic Diarrhea
 1. Medications: antacids, lactulose, sorbitol
 2. Disaccharidase deficiency: lactose intolerance
 3.
Microscopic colitis ... lymphoma, carcinoid, infectious ... syndrome Chronic infections ... #Causes #Differential ... #diagnosis