13 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Rashes- THE ALGORITHMIC ... ; however, an algorithmic ... occurs in vasculitic ... petechiae require complete ... #Differential
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... #Small #Medium ... #Vessel #Size #Classification ... #ANCA #Differential ... #Algorithm #Ddxof
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
Small vessel vasculitis ... although immune complex ... small vessel vasculitis ... #Rheumatology #Differential ... #Large #Classification
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... identified, other small ... #Palpable #Algorithm ... #Differential #
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... Findings: • Small ... Petechiae, Palpable purpura ... ulceration Small ... : • Immune Complex
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... - Differential ... (LCV), Immune complex ... ANCA associated small ... #Diagnosis #vasculitis
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... of small vessels ... syndrome - Immune-complex-induced ... disease - purpura-arthralgia-nephritis ... dermatomyositis #Size #Classification
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Skin Lesions - Differential ... Diagnosis Algorithm ... cm diameter - Purpura ... with Pressure - Small ... #Diagnosis #Algorithm
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... abnormalities SMALL ... tracts Immune Complex ... pain, infarct • Small ... #rheumatology #classification
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
immunofluorescence Immune Complex ... Henoch-SchonIein Purpura ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm