49 results
An Approach to the Unknown Rash: Erythematous Rash 

#Diagnosis #Dermatology #Erythematous #Rash #Differential #Algorithm #Nikolsky #Sign
Unknown Rash: Erythematous ... Rash #Diagnosis ... #Dermatology #Erythematous ... #Differential #Algorithm ... #Nikolsky #Sign
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Algorithm Reactive ... erythematous with ... #Reactive #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
- Differential Diagnosis ... Algorithm Pruritic ... #Pustular #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
- Differential Diagnosis ... with pressure - Erythematous ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Algorithm Erythrematous ... Auspitz sign, Koebner's ... Papulosquamous #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
- THE ALGORITHMIC ... the Nikolsky sign ... the Nikolsky sign ... #Diagnosis #Dermatology ... Rash #Algorithm
Generalized Hyperpigmentation Differentials
Use the Mnemonic "no skin SPARED"

Images from dermnet.nz and merckmanuals

Mnemonic from https://www.medscape.com/slideshow/dermatology-mnemonics-6011359#5 #diagnosis #differential
www.medscape.com/slideshow/dermatology-mnemonics ... -6011359#5 #diagnosis ... differential #symptoms #signs ... #dermatology #skin ... #skinrash
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
- Differential Diagnosis ... Algorithm Eczematous ... #Eczematous #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Algorithm Vesicles ... systemic lupus erythematous ... Vesiculobullous #SkinRash ... #dermatology #Differential ... #Diagnosis #Algorithm
Tinea Versicolor (Pityriasis versicolor) 
NOT a dermatophyte infection 
Caused by saprophytic, lipid-dependent yeasts 
Clinical 
 •
hyperpigmented or erythematous ... Diagnosis ... Tinea #Versicolor #Dermatology ... #SkinRash #Diagnosis