11 results
Skin Ulcers of the Lower Legs / Feet - Differential Diagnosis Algorithm
Physical:
• Pressure
• Trauma
• Radiation
Vascular:
• Arterial
Vascular: • Arterial ... insufficiency • Vasculitis ... #Feet #Ulcers #ulcerative ... #skinrash #dermatology ... Diagnosis #Algorithm #causes
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Vascular: • Arterial ... insufficiency • Vasculitis ... • Bleomycin Hematologic ... #skinrash #dermatology ... Diagnosis #Algorithm #causes
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Lofgren's syndrome Ulcerative ... HepB, HepC Bacterial ... #Differential # ... Diagnosis #Dermatology ... #SkinRash
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Thrombosis - Differential ... coagulation and other causes ... - Vasculitis ... pathophysiology #hematology ... #differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... deficiencies - PNH ... gangrenosum • Bacterial ... Vasculopathy #Purpura #Differential ... #Diagnosis #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
more): Genital ulceration ... Vascular Disease: Arterial ... Behcet disease) Differential ... Crohn disease, ulcerative ... signs #symptoms #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... syndrome • Coronary arteries ... tract, and often causes ... Thrombosis and arterial ... Diagnosis #Rheumatology
Causes of MINOCA: Myocardial Infarction With Nonobstructive Coronary Arteries
Ischemia: 
 • Coronary thrombosis & rapid clot
Causes of MINOCA ... Nonobstructive Coronary Arteries ... Coagulopathy • Vasculitis ... #diagnosis #differential ... #workup #cardiology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Radiology Imaging ... Differential diagnosis ... • PVNS/Giant Cell ... mri #clinical #Radiology ... #rheumatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... an underlying cause ... Better call hematology ... JAK2 V617F) and MPNs ... #hematology