54 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Bone marrow disease ... deficiency • Liver ... Von Willebrand disease ... mountain spotted fever ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... • Rheumatic fever ... Hypersensitivity vasculitis ... dermatology #joint #pain ... differential #diagnosis #rheumatology
Kawasaki Disease (KD) - Diagnosis and Management Summary

Kawasaki Disease (KD) is the most common vasculitis of
Presentation: • Fever ... , Cough • +/-Nausea ... Diagnostic Criteria - Fever ... #rheumatology # ... diagnossi #management #treatment
Causes of Pericardial Effusion - Differential Diagnosis
Infectious:
 • Viral: Enterovirus, Herpesvirus, Adenovirus, Parvovirus
 • Bacterial: Mycobacterium
Causes of Pericardial ... Non-Infectious: • Rheumatologic ... Mediterranean Fever ... • Vasculitis: ... #cardiology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... Coronary arteries - Fever ... : • Fevers • ... , testes -> pain ... differential #diagnosis #rheumatology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Hyperthyroidism Fever ... • Rheumatic fever ... SLE, Rheumatic fever ... , Vasculitis (e.g ... • New murmur, fever
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... symptoms - Headache, fever ... , abdominal pain ... Urticaria #diagnosis #rheumatology ... #comparison #table
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Periodic fever ... multiorgan failure • Fever ... - Nonremitting fever ... Treatment: • Corticosteroids ... #Rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
and branches • Fever ... tract: Abdominal pain ... Coronary arteries • Fever ... tract, and often causes ... Differential #Diagnosis #Rheumatology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... : • 80% have fever ... Pleuritic chest pain ... decubitus - air fluid level ... Diagnosis: • Vasculitis