14 results
Severe Drug Rashes - Comparison - DRESS | SJS/TEN | AGEP | Erythroderma

DRESS 
 - Onset:
Drug Rashes - Comparison ... >90% of total skin ... #TABLE #DRESS # ... #Dermatology #Emergency ... #Differential
Symptoms Distinguishing Groups of Cutaneous Drug Reactions
IgE-mediated reactions:
 • Onset minutes to hours into treatment course
Raised off of the skin ... Pruritic • Each lesion ... lasts > 24h • Fine ... Drug #Reactions #dermatology ... #clinical #comparison
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
trigger - Direct skin ... within one hour or longer ... lesions - Wheals ... Urticaria #diagnosis #rheumatology ... #comparison #table
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Pustular Skin Lesions ... - Differential ... Burrows between fingers ... #Lesions #Differential ... #Diagnosis #Dermatology
Scleroderma Like Conditions - Differential Diagnosis
Eosinophilic Fasciitis:
 - Orange peel induration (peau d'orange) of proximal extremities
Like Conditions - Differential ... lesions, or localized ... #Scleroderma #Differential ... #Diagnosis #comparison ... #table #dermatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... reddish-purple lesions ... • Extremes of age ... cryoglobulins • Skin ... Algorithm #Causes #dermatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
to 40 years of age ... response to local skin ... Behcet disease) Differential ... Syndrome #diagnosis #management ... signs #symptoms #rheumatology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
soles, sides of fingers ... pruritus (e.g., fingers ... hyperkeratotic lesions ... ; pruritis #dermatology ... #rash #differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... lesions • Mononeuritis ... Takayasu: - Age ... temporal artery - Age ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... Takayasu: • Age ... temporal artery • Age ... #Diagnosis #Rheumatology