7 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Henoch-SchonIein Purpura ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm ... #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Infection - Vasculitis ... RA, Sjogren's, GPA ... #Causes #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Skin Findings: • Petechiae ... , Palpable purpura ... sensation or pain: • Petechiae ... #dermatology #rash
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Differential Diagnosis Algorithm ... - Petechiae < ... cm diameter - Purpura ... #SkinRash #dermatology ... #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
: • Purpura, ischemic ... , proteinuria, rapidly ... > PR3 60% • GPA ... tract, and often causes ... differential #diagnosis #rheumatology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... Cutaneous: palpable purpura ... Goodpasture's cause ... proteinuria • Path: rapidly ... differential #diagnosis #management
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, proteinuria, Rapidly ... Pauci immune GN (rapidly ... MPO > PR3 60/ GPA ... tract, and often causes ... Differential #Diagnosis #Rheumatology