11 results
An Approach to the Unknown Rash: Erythematous Rash 

#Diagnosis #Dermatology #Erythematous #Rash #Differential #Algorithm #Nikolsky #Sign
: Erythematous Rash ... #Dermatology #Erythematous ... #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 Nikolsky sign ... the Nikolsky sign ... fever or Nikolsky sign ... #Rash #Algorithm
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 ... #Dermatology #Rash ... #Differential #
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
Lymphocutaneous Sporotrichiosis Infection

Landscaper w/ painless nodular rash of arm present for months wax and wane; diagnosis?
Lymphocutaneous
painless nodular rash ... Papulonodular, erythematous ... painless, no systemic signs ... biopsy preferred Differential ... Infection #clinical #photo
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Systemic Lupus Erythematosus ... 69% - Malar rash ... autoantibodies #signs ... #symptoms #mimickers ... #differential #
Shawl sign poikiloderma in Dermatomyositis

Poikiloderma in general is a common finding in older individuals with chronic
Shawl sign poikiloderma ... along with other signs ... and symptoms helps ... differentiate it ... RashDecisionz #Shawl #sign
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
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... fatigue Heat Rash ... Collapse: • Pathophysiology ... → Syncope • Signs ... /Symptoms: - Lightheadedness
Poikiloderma of Civatte (Photodamage Poikiloderma)

Poikiloderma in general is a common finding in older individuals with chronic
along with other signs ... and symptoms helps ... differentiate it ... #Photodamage #Rash ... Dermatology #Clinical #Photo