11 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... ANCA-positive vasculitis ... Cryoglobulinemia) • Immune Complex ... Renal #Syndrome #differential ... #diagnosis #nephrology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... immunofluorescence Immune Complex ... With associated pulmonary ... involvement: Anti-GBM Disease ... #differential #
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... tracts Immune Complex ... tract, and often causes ... Differential ... #rheumatology #
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... • Myocarditis Pulmonary ... • Trauma - Neurologic ... • Herpes Simplex ... Noncardiac #Cardiology #Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... affects the skin, neurologic ... pauci-immune GN Immune Complex ... tract, and often causes ... #Rheumatology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
precipitating complex ... malignancies, vasculitis ... thrombophlebitis, pulmonary ... cryoglobulins • Negative causes ... Cryofibrinogenemia #diagnosis #rheumatology
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
in 24h Airway disease ... Kaposi's sarcoma • Rheumatologic ... Autoimmune: ANCA-Assoc vasculitis ... #Diagnosis #pulmonary ... #causes
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
lesion Pott's Disease ... Meningitis • Include: vasculitis ... neurological symptoms • Caused ... Tuberculosis #diagnosis #differential ... #TB #neurology
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Pulmonary ... syndrome - SLE Neurologic ... , Vasculitis (e.g ... #joint #pain #differential ... #diagnosis #rheumatology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... include a: • Neurologic ... • Stroke • Vasculitis ... Onset ○ Meniere disease ... ○ HIV ○ Lyme disease