6 results
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... - Differential ... (LCV), Immune complex ... #Differential # ... Diagnosis #vasculitis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tracts Immune Complex ... tract, and often causes ... diminished, or tender ... differential #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Infection - Vasculitis ... Henoch Schonlein Purpura ... Work Up: • Complete
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... diminished, or tender ... pauci-immune GN Immune Complex ... tract, and often causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... immunofluorescence Immune Complex ... Henoch-SchonIein Purpura ... Glomerulonephritis #Vasculitis ... #differential #
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
Purpura due to vasculitis ... Wet purpura is the ... ecchymosis) is caused ... Platelet levels tend ... VWF:RCo/VWF:Ag (differentiate