8 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Differential Diagnosis Algorithm ... Disruptions in vascular ... Red Flags: • Fever ... #Causes #dermatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
characterized by fever ... Episcleritis Signs ... (arthritis and arthralgia ... Causes: - Idiopathic ... Syndrome #diagnosis #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... known as rat bite fever ... or Haverhill fever ... acquired dermal macular ... differential #diagnosis #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis: • Fevers ... purpura: Strong sign ... and branches • Fever ... pulse deficits vascular ... tract, and often causes
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... Inverse Gottron’s sign ... Dermatomyositis • Fever ... • Arthralgia/arthritis ... #rheumatology #dermatology
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
C" (common for causes ... medicine): • Vascular ... hydrocephalus) • Neurologic ... N Neurological signs ... confusion, focal signs
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Coronary arteries - Fever ... Vasculitis: • Fevers ... Night sweats • Arthralgias ... purpura: strong sign
Causes of Cystic Renal Mass - Differential Diagnosis Algorithm
Benign - Anechoic on ultrasound, Well-demarcated on ultrasound/CT,
Causes of Cystic ... Differential Diagnosis Algorithm ... Carcinoma - No signs ... - Abscess - Fever ... #Causes