16 results
Christmas Tree Rash of Pityriasis rosea
 - small oval scaling patches
 - Christmas tree pattern
 -
parallel to lines of skin ... palms/soles - Differential ... diagnosis: secondary ... nummular eczema, tinea ... #dermatology #photo
Maculopapular - Diagnostic Algorithm
Pathophysiology:
- Catch-all term with a wide range of potential pathophysiologic mechanisms and causative
Maculopapular - Diagnostic ... instability - New-onset fever ... sulfa-drug - Skin ... #Dermatology #Rash ... Targetoid #Algorithm #Differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... • Rheumatic fever ... gangrenosum • IBD ... #rashes #differential ... #diagnosis #rheumatology
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... Fever >38.5 2. ... Resolution > 15 days Differentials ... • SJS/TEN • Acute ... withdrawal • Mild
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
Sweet Syndrome Acute ... sudden onset of a rash ... - Rash: multiple ... general feeling of ill ... Sweet #Syndrome #diagnosis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... children with acute ... observed in acute ... comparison #table #differential ... #diagnosis #dermatology
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Lung Diseases • Acute ... Respiratory sx in 40%, mild ... loss; CV, CNS, skin ... Diseases #pulmonary #differential ... #diagnosis #comparison
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... Diagnosis Framework ... Generalized itchy rash ... Pustules + Fever ... Acute generalized
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Diagnosis Framework ... • Bursitis • IBD ... Immobilization) • Acute ... pain/swelling - Fever
Heat Illnesses and Heat Stroke - Differential Diagnosis Framework

Heat Cramps:
 • Muscle pain or spasm -
Heat Stroke - Differential ... Diagnosis Framework ... fatigue Heat Rash ... blisters on the skin ... Collapse: • Pathophysiology