13 results
An Approach to the Unknown Rash: Erythematous Rash 

#Diagnosis #Dermatology #Erythematous #Rash #Differential #Algorithm #Nikolsky #Sign
: Erythematous Rash ... #Diagnosis #Dermatology ... #Erythematous # ... #Algorithm #Nikolsky ... #Sign #ALiEM
Systemic Lupus Erythematosus: Gastrointestinal Manifestations
 - Thrombosis of vessels in the pancreas, Vasculitis -> Acute Pancreatitis
Systemic Lupus Erythematosus ... the pancreas, Vasculitis ... Gastrointestinal #Complications ... #pathophysiology ... #signs #symptoms
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
- THE ALGORITHMIC ... the Nikolsky sign ... rash but without ... #Diagnosis #Dermatology ... Rash #Algorithm
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Purpura - Diagnostic Algorithm ... Pathophysiology: ... trauma, infection, vasculitis ... #Diagnosis #Dermatology ... #Rash #Petechiae
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic Algorithm ... Ill-appearing, vital sign ... New-onset fever with rash ... #Diagnosis #Dermatology ... #Rash #Maculopapular
Erythroderma - Diagnostic Algorithm. Pathophysiology: 1) Extensive cutaneous capillary dilation, results in widespread exfoliation of the
Erythroderma - Diagnostic Algorithm ... Pathophysiology: ... #Diagnosis #Dermatology ... #Rash #Erythroderma ... #Nikolsky #Algorithm
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
Malar (butterfly) Rash ... Livedo Reticularis, Vasculitis ... Manifestations #pathophysiology ... #diagnosis #signs ... #symptoms #complications
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
Papulosquamous Skin Rash ... Differential Diagnosis Algorithm ... Erythrematous ... Auspitz sign, Koebner's ... Discoid Lupus Erythematous
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... SLE #systemic #erythematosus ... #signs #symptoms ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ischemia - Skin: erythematous ... mucositis - Rash ... systemic lupus erythematosus ... purpura: strong sign ... differential #diagnosis #rheumatology