12 results
An Approach to the Unknown Rash: Erythematous Rash 

#Diagnosis #Dermatology #Erythematous #Rash #Differential #Algorithm #Nikolsky #Sign
: Erythematous Rash ... #Diagnosis #Dermatology ... Rash #Differential ... #Algorithm #Nikolsky ... #Sign #ALiEM
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
- THE ALGORITHMIC ... , the differential ... rash but without ... #Diagnosis #Dermatology ... Rash #Algorithm
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Eosinophil Disorders ... Testing Algorithm ... organ-specific signs ... #Algorithm #Differential ... #diagnosis #hematology
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... Systemic Lupus Erythematosus ... should have other symptoms ... like “butterfly rash
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
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Malignancy (e.g. hematologic ... ) • Endocrine disorders ... vein thrombosis Hematologic ... Induced Lupus: • Symptoms
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... 69% - Malar rash ... autoantibodies #signs ... #symptoms #mimickers ... rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Diagnosis Algorithm ... Vasculitis - Collagen disorders ... deficiency Work ... #Differential #
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms ... NPSLE rare, Malar rash ... • Immunologic Workup ... constitutional symptoms ... Systemic Lupus Erythematosus
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ischemia - Skin: erythematous ... mucositis - Rash ... systemic lupus erythematosus ... Presentation - Systemic Symptoms ... purpura: strong sign