32 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... - Vasculitis ... : • Complete blood ... • Fecal occult blood ... cryoglobulins • Skin
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... cell arteritis Infections ... (inflamed blood ... #rash #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... - Hemolytic anemia ... SLE) - Viral infections ... APLS • Acute Infectious ... Differential #Diagnosis #hematology
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Skin Ulcers by Etiology ... insufficiency • Vasculitis ... • Bleomycin Hematologic ... • Sickle Cell Anemia ... Cryoglobulinemia Infectious
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... hemochromatosis, hemolytic anemia ... Vibrio #Vulnificus #skin ... #infection #rash ... #cellulitis #dermatology
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Purpura Fulminans Skin ... rigors, diarrhea, nausea ... Your blood cxs identify ... - BIDMC Infectious ... Purpura #Fulminans #Skin
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... of necrotizing vasculitis ... gyratum repens • A skin ... induratum • A chronic skin ... differential #diagnosis #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... to exclude are infections ... pulses, bruis, or blood ... Large Vessel: Blood
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
& hemorrhagic rash ... CNS and hematologic ... disseminates in blood ... fetal blood vessel ... that persists as skin
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... Glomerulonephritis Myositis(5%) Blood ... (75%): Anemia (