8 results
Causes of Arterial and Venous Thrombosis - Differential Diagnosis Framework

STRUCTURAL:
 - PFO: paradoxical emboli
 - Popliteal
Causes of Arterial ... Venous Thrombosis - Differential ... artery aneurysm: Causes ... neoplasms - PNH - HIT ... Diagnosis #clots #hematology
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Viral: HSV, EBV, HIV ... HepB, HepC Bacterial ... #Differential # ... Diagnosis #Dermatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Thrombosis - Differential ... Hematological: - HIT ... coagulation and other causes ... pathophysiology #hematology ... #differential #
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... predispose to other orthopedic ... common sites: hip ... • Differentiate ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Ig A vasculitis/HSP ... gangrenosum • Bacterial ... #Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential ... etc) - Viral: HIV ... HCV, EBV, CMV - Bacterial ... Diagnosis #Framework #hematology
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... texture at bald spots ... Dermatitis (Consider HIV ... loss #alopecia #Differential ... #Diagnosis #dermatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
Psoriasis - Elbows, knees ... temples, upper lip ... honey-colored crusts ... ; pruritis #dermatology ... #rash #differential