12 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... lesions • Severe pain ... #Petechiae #Rash ... #Causes #dermatology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
- Petechiae < ... with pressure - Erythematous ... Vascular #Vasculitis #SkinRash ... #dermatology #Differential ... #causes
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash ... - Differential ... #Pustular #SkinRash ... #dermatology #Differential ... #causes
Reactive Skin Rash - Differential Diagnosis Algorithm
Reactive erythematous with various morphology
 • Urticaria - Firm /
Reactive Skin Rash ... Reactive erythematous ... #Reactive #SkinRash ... #dermatology #Differential ... #causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... systemic lupus erythematous ... Vesiculobullous #SkinRash ... #dermatology #Differential ... #causes
Eczematous Skin Rash - Differential Diagnosis Algorithm
Eczematous - Pruritic/Scaly/Erythematous lesions. Usually poorly demarcated
 • Atopic Dermatitis
Eczematous Skin Rash ... - Differential ... #Eczematous #SkinRash ... #dermatology #Differential ... #causes
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... - Differential ... Papulosquamous #SkinRash ... #dermatology #Differential ... #causes
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... erythroderma, petechiae ... sulfa-drug - Skin pain ... #Rash #Maculopapular ... #Differential #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... burning sensation or pain ... : • Petechiae ... reticularis Differential
Extrapulmonary manifestations of COVID-19
 • Neurologic: Headaches, Dizziness, Encephalopathy, Guillain-Barré, Ageusia, Myalgia, Anosmia, Stroke
 • Renal:
vomiting, Abdominal pain ... ketoacidosis • Dermatological ... : Petechaie, Livedo ... reticularis, Erythematous ... rash, Urticaria