13 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... - Differential ... & plaques that are ... vesicles &/or bullae ... Diagnosis #Algorithm #causes
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
Vibrio Vulnificus skin ... rapidly evolving rash ... to hemorrhagic bullae ... Vibrio #Vulnificus #skin ... legs #clinical #photo
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... of arm present ... trauma leads to skin ... painless, no systemic signs ... Infection #clinical #photo
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... • Hemorrhagic Bullae ... reticularis Differential ... #diagnosis #rheumatology
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... The signs and symptoms ... resembling rashes caused ... faint that they are ... Diagnosis #Clinical #Photo
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
are asthma, allergy ... organ-specific signs ... symptoms (eg, skin ... Disorders #Algorithm #Differential ... #diagnosis #hematology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... gyratum repens • A skin ... • Causes are multiple ... PrathitKulkarni #Erythemas #comparison ... #table #differential
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
(blue-purple) rash ... • Erythematous rash ... chest (in a V-sign ... CD4+/CD8+ ratio are ... Dermatomyositis #rheumatology
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... spasm - legs, arms ... fatigue Heat Rash ... blisters on the skin ... → Syncope • Signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... tract, and often causes ... mucositis - Rash ... purpura: strong sign ... #diagnosis #rheumatology