10 results
Causes of Vitamin B12 Deficiency - Cobalamin
Decreased Intake
Pancreas: Insufficiency
Intestine: SIBO, Celiac disease, IBD, Lymphoma, Amyloidosis, Resection,
Causes of Vitamin ... Celiac disease, IBD ... Stomach: Pernicious anemia ... #Cobalamin #differential ... #diagnosis #causes
Causes of Low Vitamin B12 Levels
Low vitamin B12 intake - Vegetarianism, chronic alcoholism and older people
Autoimmune
Causes of Low Vitamin ... insufficiency, Crohn ... #low #cobalamin ... #differential # ... diagnosis
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
) Deficiency Etiology ... • Common Causes ... diarrhea related to IBD ... #Deficiency #diagnosis ... #management #nutrition
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Causes of Iron Deficiency ... Diet: ↓ Intake, e.g ... Inflammation: IBD ... #Causes #differential ... #diagnosis #anemia
Fatigue and IBD Algorithm
 • 40-50% patients have fatigue despite clinical remission
 • Risk factors: BMI,
Crohn's > UC Anemia ... restricted diet/deficiency ... /other causes • ... #Algorithm #diagnosis ... #management
Causes of Fat Malabsorption - Differential Diagnosis
Biliary Duct Obstruction
 • Autoimmune— PBC, PSC
 • Infection— liver
- Differential ... • Autoimmune— Crohn's ... Pancreatic lipase deficiency ... Celiac disease • IBD ... #Diagnosis #Causes
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Diagnosis Obesity ... ., iHD) Cirrhosis ... Metabolism Severe Anemia ... #Diagnosis #cardiology ... #causes
Occult and Lower Gastronintestinal Bleed - Differential Diagnosis Algorithm

Occult (Stool + Occult blood and/or iron deficiency
blood and/or iron deficiency ... anemia) • Colorectal ... , asymptomatic IBD ... bowel source (e.g ... #Causes
Peripartum Cardiomyopathy - Summary
1. Definition
 • Towards the end of pregnancy to 5 months postpartum
exclude other causes ... Differential Diagnosis ... Avoid ARBs • ICD ... Cardiomyopathy #diagnosis ... #management #cardiology
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Septic Emboli Cause ... Marantic (NTBE) Differential ... ↑ ESR, CRP • EKG ... Leukocytosis, anemia ... #management #cardiology