13 results
Colonic Thumbprint Sign on Abdominal XRay - Differential Diagnosis:
 • inflammatory bowel disease: UC and CD
Colonic Thumbprint ... • inflammatory bowel ... • infection (e.g ... pseudomembranous colitis) • bowel ... #Diagnosis #radiology
Abdominal Distention - Differential Diagnostic Algorithm
Ascites
Bowel Dilatation
Other Causes
Mechanical Obstruction
 • Adhesions 60%
 • Volvulus 3%
 •
Abdominal Distention ... Algorithm Ascites Bowel ... Medical Conditions (e.g ... • Extrinsic (e.g ... #Distention #Differential
Stool Incontinence - Differential Diagnosis Algorithm
Affected Pelvic Floor 
 - Trauma/Surgery
   • Surgery: Anorectal,
Incontinence - Differential ... • Age-Related (e.g ... • Neuropathy (e.g ... Tumors/Trauma (e.g ... Syndrome
Diffuse Acute Abdominal Pain (<72 hours) - Differential Diagnostic Algorithm
Look for surgical abdomen
Upper quadrant: R/O cardiac,
(<72 hours) - Differential ... Peritonitic • Bowel ... Metabolic disease (e.g ... • Irritable bowel ... syndrome #Diffuse
Mesenteric Ischemia - Differential Diagnostic Schema
Chronic: ASCVD, Venous, Vasculitides 5% (PAN, [E]GPA, IgA, MPA)
Acute
 - Venous
Diagnostic Schema Chronic ... inflammation (e.g ... Antiphospholipid syndrome ... Hypoperfusion: Lumen (Bowel ... Heart failure, Dissection
Irritable Bowel Syndrome (IBS) - Pathophysiology, Diagnosis and Management Algorithm
Risk factors: Previous acute enteric infection, Female
Irritable Bowel ... (e.g. fibromyalgia ... , chronic fatigue ... inflammation, Abdominal ... IBS #Irritable #Bowel
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 • Autoimmune— PBC, PSC
 • Infection— liver
Malabsorption - Differential ... Cholestatic drugs- e.g ... - Acquired • Chronic ... length • Short bowel ... bowel resection
Diarrhea with Normal Colonoscopy
 • Colonic: Bile acid malabsorption, Microscopic colitis, Overflow diarrhoea, Missed pathology
 •
pathology • Small Bowel ... : Enteritis (e.g ... , Enteropathy (e.g ... syndrome, Ischaemia ... drkeithsiau #Diarrhea #differential
Causes of a low fecal elastase
Abnormal pancreatic imaging:
Chronic pancreatitis, Pancreatic tumours including cystic disease, Pancreatic resection,
pancreatic imaging: Chronic ... malformation (eg ... Shwachman-Diamond syndrome ... syndrome, Inflammatory ... elastase #low #differential
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Diarrhea - Differential ... Artificial sweeteners (e.g ... • Irritable bowel ... • Inflammatory bowel ... Diarrhea #Causes #Differential