38 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... Immune Complex: Systemic ... lupus erythematosus ... Rheumatoid arthritis, Systemic ... #diagnosis #nephrology
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Autoimmunity: • -MM/WM: Vasculitis ... to cold IgG • Lupus ... vascular beds-renal ... Paraproteinemias #Hematology ... #Differential #Diagnosis
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
central nervous system ... lupus erythematosus ... #Vessels #Diagnosis ... #Rheumatology # ... Diagnosis
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Butterfly rash, Vasculitis ... Demyelinating syndromes ... Abdominal pain (20%) Renal ... signs #symptoms #diagnosis ... #rheumatology
Common causes of Acute Kidney Injury AKI - Differential Diagnosis
HEMODYNAMIC
 • Cardiac failure: Impaired forward flow,
- Differential Diagnosis ... inhibitors, hepatorenal syndrome ... Secondary GNs: Due to systemic ... , Lupus Acute Tubular ... #nephrology
Hypertension and Altered Mental Status (AMS) - Differential Diagnosis Framework

Hypertension:
 • Hypertensive emergency
 • Hypertensive encephalopathy
- Differential Diagnosis ... • Cushing’s syndrome ... : • Acute GN ... Autoimmune: • Vasculitis ... • Lupus • Polyarteritis
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
- Differential Diagnosis ... Abdominal Compartment Syndrome ... Emboli, Thrombosis, Vasculitis ... • GN: ANCA, Anti-GBM ... #nephrology #causes
Monoclonal Gammopathy of Clinical Significance (MGUS) - Differential Diagnosis

Neurologic-Centered:
 (+) Systemic Features: POEMS, AL amyloid, Cryoglobulinemia
- Differential Diagnosis ... capillary leak syndrome ... • Schnitzler syndrome ... Cryoglobulinemia Renal-centered ... #hematology #oncology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... pulmonary and renal ... lupus erythematosus ... • Urinalysis (Renal ... #rheumatology #
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Systemic Lupus Erythematosus ... severe disease & renal ... #SLE #Summary #diagnosis ... #rheumatology # ... management