233 results
Bleeding manifestations 
Petechiae are small, flat, red, discrete areas of skin bleeding that are typically <2
non-blanching, nonpalpable ... Purpura due to vasculitis ... Bruise (also called ecchymosis ... Purpura #Bruise #ecchymosis
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
palpable versus nonpalpable ... purpura occurs in vasculitic ... Nonpalpable purpura ... lesions may have a vasculitis ... as autoimmune vasculitis
Causes of Purpura - Differential Diagnosis
Disruption in Vascular Integrity: 
 • Trauma, Infection, Vasculitis, Drug induced
Trauma, Infection, Vasculitis ... , Drug induced vasculitis ... BrighamChiefs #Purpura #nonpalpable ... Differential #Diagnosis #vasculitis
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
cm diameter - Ecchymosis ... • Acquired - Vasculitis ... #Vascular #Vasculitis
Causes of Purpura - Differential Diagnosis
Non-PalpabIe → Palpable
 • Thrombocytopenia (HIT, ITP/HUS), Coagulation defects (DIC, warfarin
Leukocytoclastic Vasculitis ... BrighamChiefs #Purpura #nonpalpable ... Differential #Diagnosis #vasculitis
Purpuric Skin Lesions - Petechia/Purpura and Ecchymosis 

#Purpuric #Purpura #Petechia #Ecchymosis #Comparison #Dermatology #Skin #Diagnosis #Clinical
Petechia/Purpura and Ecchymosis ... Purpura #Petechia #Ecchymosis
Basilar Skull Fracture
Fracture through petrous portion of temporal bone 
 - Periorbital ecchymosis 
 - Hemotympanum
- Periorbital ecchymosis ... Postaurlcular ecchymosis
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... Cryoglobulinemic vasculitis ... syndrome • IgA vasculitis ... Small #Vessel #Vasculitides ... #vasculitis #differential
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... Diagnosis #IM #Rheum #Vasculitis
Vasculitis: In this instance, the vasculitic skin lesions were secondary to Haemophilus endocarditis.
Photo credit, Josh Fierer,
Vasculitis: In this ... instance, the vasculitic ... Dermatology #SkinRash #Vasculitis