102 results
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
, and small vessel ... Small vessel vasculitis ... immune complex small ... of vessel, from aorta ... left to right) aorta
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... Diagnosis #IM #Rheum #Vasculitis ... #Small #Medium ... #Differential #Algorithm
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Differential Diagnosis Algorithm ... with Pressure - Small ... • Acquired - Vasculitis ... #Vascular #Vasculitis ... #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
abnormalities SMALL ... tract, and often causes ... < 30 years - Aorta ... branches • GCA: - Aorta ... pain, infarct • Small
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... trauma, infection, vasculitis ... process such as vasculiitis ... identified, other small ... Purpura #Palpable #Algorithm
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
semiology of Cutaneous Vasculitis ... involvement of small ... Identification of causes ... • Drug-induced vasculitis ... • Necrotizing vasculitis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
disorders, or other causes ... • Secondary Causes ... • Ig A vasculitis ... ANCA associated small ... vessel vasculitis
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Causes of Purpura ... Leukocytoclastic Vasculitis ... ANCA associated small ... nonpalpable #palpable #Causes ... Differential #Diagnosis #vasculitis
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... Differential Diagnosis Algorithm ... Multiplex: • Vasculitis ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Headache - Differential Diagnosis Algorithm
Primary: Tension, Migraine, Cluster
Extracranial: Medications, Sinusitis, TMJ disorder, Cervicogenic, Glaucoma,
Causes of Headache ... Differential Diagnosis Algorithm ... Aneurysm, Hemorrhage, Vasculitis ... Differential #Diagnosis #Causes ... #algorithm