11 results
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
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 ... #Differential #
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Skin Lesions - Differential ... Diagnosis Algorithm ... with Pressure - Small ... #Diagnosis #Algorithm ... #causes
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential ... Diagnosis Algorithm ... Focal: Simple, Complex ... malformation, Aneurysm, Vasculitis
Vasculitis and Vasculitides - Differential Diagnosis Framework

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

Immune Complex Mediated (granular staining):
pathophysiologic causes ... immunofluorescence Immune Complex ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
by Etiology - Differential ... Diagnosis Algorithm ... insufficiency • Vasculitis ... Viral - Herpes simplex ... #causes
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Diagnosis Algorithm ... Infection - Vasculitis ... Work Up: • Complete
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
deposit of immune complexes ... • They can cause ... Cryoglobulins Cause ... • Cutaneous small-vessel ... diagnosis #types #classification