11 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... lasts <24hrs • Erythema ... nodules on shins • Erythema ... #Reactive #SkinRash ... #causes
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Lyme Disease (erythema ... Syndrome - Erythema ... Lyme Disease (erythema ... #Rash #Algorithm ... #Skin
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Erythemas Summarized ... Erythema ab igne ... Erythema annulare ... acquired dermal macular ... differential #diagnosis #dermatology
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Erythematous papules ... body folds with satellite ... #Pustular #SkinRash ... #dermatology #Differential
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
forehead, chin - Erythema ... perinasal areas - Erythema ... and plaques of erythema ... malleoli - Patches of erythema ... with surrounding erythema
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin ... Rash - Differential ... Well-demarcated erythema ... #Eczematous #SkinRash ... #causes
Erythema Ab Igne on Physical Exam

Erythema ab igne (EAI) is a skin reaction caused by chronic
Erythema Ab Igne ... Physical Exam Erythema ... #EAI #Erythema # ... #skin #dermatology ... #rash
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Causes: - Idiopathic ... gangrenosum - Erythema ... Cellulitis - Erythema ... nodosum - Acral erythema ... Syndrome #diagnosis #dermatology
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin ... Rash - Differential ... Papulosquamous #SkinRash ... #dermatology #Differential ... #causes
Oral Skin Ulcers - Differential Diagnosis Algorithm
Single Ulcer:
 • Traumatic ulcer
 • Angular ulcer
 • Aphthous
Oral Skin Ulcers ... stomatitis • Erythema ... #Oral #mouth #SkinRash ... #dermatology #Differential ... #causes