25 results
Chronic Diarrhea Differential Diagnosis
 • Inflammatory, Infectious: Recurrent C. diff, Giardiasis
 • Inflammatory, Non-infectious: IBD, Ischemia,
Diagnosis • Inflammatory ... Non-infectious: IBD ... overgrowth, Celiac disease ... Amyloidosis, S/p surgery ... #gastroenterology
Thyroid Disorders - Differential Diagnosis Algorithm
Hypothyroidism:
 • Hasimoto’s
 • Radioactive Iodine 
 • Hypopituitarism
 • Iodine
Thyroid Disorders ... - Differential ... Hypopituitarism • Iodine Deficiency ... Medications • Surgery ... Amy Chung, MD, MSc
Causes of Iron Deficiency
 • Diet: ↓ Intake, e.g. vegan, Malnutrition, Polyphenol / tannins, ↓ Vitamin
Absorption: Gastritis, Surgery ... Inflammation: IBD ... , Chronic disease ... #Causes #differential ... #diagnosis #anemia
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
Inflammatory: • IBD ... • Rheumatic disorders ... • Celiac disease ... Damage: • Post-op surgery ... malignancy • Iron deficiency
Iron Deficiency Anemia - Differential Diagnosis Algorithm

Labs: Ferritin, iron, transferrin, TIBC, TSAT, sTfR

 • Blood loss:
Anemia - Differential ... Diagnosis Algorithm ... Structural: Celiac disease ... Tropical sprue, IBD ... , Bypass surgery
Causes of Iron Deficiency
 • Inadequate Intake: Vegetarian/vegan diet, Malnutrition
 • Increased Body Needs: Infants/preschoolers, Pregnancy,
Causes of Iron Deficiency ... gastritis, Bariatric surgery ... (IBD, cancer) ... #differential # ... diagnosis #causes
Lower GI Bleed - Differential Diagnosis Framework
Structural:
 - Diverticulosis
 - Post-Polypectomy Bleeding
 - Hemorrhoids
 - Polyps
Diagnosis Framework ... - Aortoenteric Fistula ... congenital/systemic disease ... Ischemic Colitis - IBD ... #Diagnosis #gastroenterology
Causes of Wide Pulse Pressure - Differential Diagnosis
Physiologic:
 • Advanced age-arteriosclerosis (less compliant arteries)
 • Well
Pulse Pressure - Differential ... Diagnosis Physiologic ... - Severe iron deficiency ... Chronic pulmonary diseases ... Arteriovenous fistula
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Fragility Fractures - Differential ... Diagnosis Algorithm ... • Bone Marrow Disorder ... Fractures #Pathologic #MSK ... #Differential #
High Output Heart Failure - Pathophysiology and Differential Diagnosis
Obesity - Systemic Vasodilation, Vasoactive Adipokines
Arteriovenous Fistula -
Pathophysiology and Differential ... Diagnosis Obesity ... Arteriovenous Fistula ... Acquired (e.g., iHD ... Myeloproliferative Disorders