19 results
Erythematous Rashes - THE ALGORITHMIC APPROACH

Characterized by diffuse redness of the skin due to
capillary congestion, erythematous
redness of the skin ... staphylococcal scalded skin ... Nikolsky sign, the differential ... erythematous rash ... #Differential
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Combination of Skin ... Pediatrics Patient - Differential ... on texture of skin ... Suggestive of: Rheum Fever ... dermatology #arthritis #skin
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... thrombophlebitis Skin ... band syndrome • Shin ... Brittle nails - Skin ... skin • Inflammation
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... Scleroderma Thickened skin ... arthritis Discoid skin ... #joint #pain #skin ... #rashes #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial Rash ... - Differential ... Red Flags: • Fever ... cryoglobulins • Skin ... #Differential #
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Clinical triad: Fever ... Arthralgia/arthritis, Skin ... rash ± odynophagia ... fraction < 20% Differential ... Disease #diagnosis #management
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
instability - New-onset fever ... with rash - Mucocutaneous ... sulfa-drug - Skin ... #Dermatology #Rash ... Targetoid #Algorithm #Differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... gyratum repens • A skin ... induratum • A chronic skin ... PrathitKulkarni #Erythemas #comparison ... #table #differential
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
characterized by extensive skin ... rash in association ... Fever >38.5 2. ... Skin involvement ... Resolution > 15 days Differentials
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
initiation of smoking; Fever ... brown sputum, fever ... loss; CV, CNS, skin ... Diseases #pulmonary #differential ... #diagnosis #comparison