36 results
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 • Autoimmune— PBC, PSC
 • Infection— liver
- Differential ... - Acquired • Chronic ... • Pancreatic resection ... Celiac disease • IBD ... • Small bowel resection
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... Celiac disease, IBD ... , Amyloidosis, Resection ... gastrectomy, H. pylori infection ... Deficiency #Cobalamin #differential
Causes of Chronic Pediatric Cough - Differential Diagnosis Algorithm
Poor Growth
 - Non-Specific CXR
Causes of Chronic ... Diagnosis Algorithm ... Asthma • Infection ... Exacerbated by Exertion ... #Causes #Peds #
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Causes of Thrombocytosis ... - Differential ... Diagnosis Algorithm ... Myelofibrosis Infectious ... Inflammatory: • IBD
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Causes of acute ... surgery or ileal resection ... Parasitic infections ... #Diarrhea #management ... #diagnosis #differential
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
NRH & Heme eval. re ... Receptor (sTfR) to differentiate ... ileal Crohn's/resection ... /other causes • ... #management
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... Origin (FUO) - Differential ... Diagnosis Algorithm ... UnknownOrigin #FUO #Chronic ... #causes
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Causes of Chronic ... Diagnosis Algorithm ... least 3 months Pre-Renal ... analgesics) • Infections ... #Causes
Elevated Amylase (Hyperamylasemia)- Differential Diagnosis Algorithm
Pancreatic causes:
 - Pancreatic cancer
 - Complications pancreatitis: eg pseudocyst
 -
Diagnosis Algorithm ... Pancreatic causes ... radiation, trauma, infection ... sulindac - Active IBID ... Renal failure / Chronic
Upper and Lower Causes of GI Bleed
Upper:
 • Esophagus: Tear (Mallory Weiss, Boerhaave syndrome), Variceal, Esophagitis,
Ischemic colitis, Infectious ... colitis, UC/Chrons ... (IBD), Radiation ... Lower #GIBleed #differential ... #algorithm