22 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... (Eosinophilic granulomatosis ... with polyangiitis ... , Granulomatosis ... differential #diagnosis #nephrology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... with Polyangiitis ... GPA causes disease ... vasculitis #Dermatologic ... GPA #dermatology
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
• Infectious Causes ... Non-Infectious Causes ... with polyangiitis ... with polyangiitis ... organizing pneumonia, Pulmonary
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... vasculitis (AAV): GPA (granulomatous ... (eosinophilic granulomatosis ... w polyangiitis) ... Goodpasture's cause
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
seen in 30—70% of cases ... ANCA+ 90% • Granulomatosis ... ANCA+ 90% • Granulomatosis ... without renal involvement ... ANCA+ 30-60% • Renal-limited
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... at least 50% Renal ... Pauci-immune (Granulomatosis ... with polyangiitis ... #KidneyInjury #Nephrology
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Goodpasture's Syndrome • Granulomatosis ... with polyangiitis ... / microscopic polyangiitis ... Diagnosis #Algorithm #Causes
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Vasculitis: Granulomatosis ... with polyangiitis ... with polyangiitis ... #causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... antibodies • Granulomatosis ... with polyangiitis ... / microscopic polyangiitis ... #Proteinuria #Nephrology
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
Differential Diagnosis of Pulmonary ... • Eosinophilic granulomatosis ... with polyangiitis ... Acute chronic pulmonary ... Differential #Diagnosis #causes