6 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Coronary arteries - Fever ... mucositis - Rash ... : • Fevers • ... Kidneys -> glomerulonephritis
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 ... of necrotizing vasculitis ... #differential #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... musculoskeletal systems • Kidneys ... , mucositis • Rash ... tract, and often causes ... chorioretinitis, CNS
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... Differential Diagnosis ... and CNS • Headache ... to: Arthritis, Fever ... C4) • ds-DNA: Kidney
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... virus • CMV • EBV ... • Headache • Fever ... Maculopapular rash ... • Uveitis • Rash
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Symptoms: • Gottron rash ... Overlap Syndrome: Fever ... • ANA < 20 % IBM ... nucleotidase 1A (Anti cN ... statins - probably caused