25 results
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... lasts <24hrs • Erythema ... nodules on shins • Erythema ... vesicles &/or bullae ... Diagnosis #Algorithm #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... Rash is usually ... gyratum repens • A skin ... • A chronic skin ... #comparison #table
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin ... Rash - Differential ... blisters, possibly crusts ... • Diabetic bullae ... Diagnosis #Algorithm #causes
DRESS Syndrome vs SJS/TEN
DRESS
 • Latency: 2-8 weeks
 • Rash: Morbilliform
 • Mucosal involvement: 50% have
: 2-8 weeks • Rash ... : 4-28 days • Rash ... centers → vesicles/bullae ... Prerenal azotemia • Skin ... TEN #comparison #table
Childhood Immunization Schedule: Why we immunize
 • Diphtheria Toxin -> URT inflammation causes pseudomembrane with hardened
with pharyngeal erythema ... with pharyngeal erythema ... & hemorrhagic rash ... that persists as skin ... Vesicular & pruritic rash
Causes of Pseudocellulitis - Differential Diagnosis Framework for Cellulitis Mimics

Cellulitis: Deep skin and subcutaneous fat infection

Pseudo
Cellulitis: Deep skin ... Acute bursitis • Erythema ... Polyarthritis nodosum • Erythema ... implant • Coma bullae ... #dermatology #skin
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 ... marine microbiota & causes ... to hemorrhagic bullae ... Vibrio #Vulnificus #skin
SKIN RASHES 



Skin rashes can occur from a variety of factors, including infections, heat, allergens, immune
SKIN RASHES ... Skin rashes ... rashes into these classes ... DharSaty #erythema ... petechiae; #purpura; #rash
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
sudden onset of a rash ... - Rash: multiple ... Causes: - Idiopathic ... gangrenosum - Erythema ... Cellulitis - Erythema
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Polyangiitis (GPA) Skin ... GPA causes disease ... Maculopapular rash ... • Hemorrhagic Bullae ... #dermatology #rash