16 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pain • Kawasaki Disease ... (Granulomatous disease ... atherosclerotic disease ... most important diseases ... purpura: strong sign
Sarcoidosis 
Non-caseating granulomas (Composed of T-helper & inflammatory cells) 
Clinical:
 • Disease fatal in 10% of
Clinical: • Disease ... Constitutional: Fever ... exertion • Neurologic ... Subcutaneous nodules, lupus ... Diagnosis #Symptoms #Signs
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Cough, Dyspnea, Fever ... Peripheral edema, Disease-specific ... , Behcet disease ... Goodpasture's Disease ... dysmorphic RBCs) • Disease-specific
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Malar rash 40% - Fever ... (aPL) 30-45% Differential ... auto-immune, Infectious diseases ... sclerosis, Still's disease ... autoantibodies #signs
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
• Rickettsial diseases ... : • Still's disease ... • Crohn disease ... • Behcet disease ... Brucellosis Faget's Sign
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... (SLE) General: Fever ... Butterfly rash, Vasculitis ... pain (20%) Renal disease ... erythematosus #signs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Systemic rheumatic diseases ... atherosclerotic disease ... most important diseases ... purpura: Strong sign
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
Equivalents / Don't Miss Signs ... bigger than QRS - deWinter ... T waves - starts ... triple vessel disease ... Interpretation #differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Syndrome Systemic disease ... skin injury) • Neurologic ... Disease: Lesions ... ) Differential Diagnosis ... diagnosis #management #signs
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
healthy pt with fever ... immunosuppression, travel ... Differential Bilat ... interstitial lung disease ... partially seen shred sign