20 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... reticularis Differential ... vasculitis #Dermatologic ... GPA #dermatology
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... - Differential ... Bronchiectasis • Abscess ... Goodpasture's Syndrome • Granulomatosis ... with polyangiitis
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... with polyangiitis ... with polyangiitis ... ILD #diagnosis #differential ... #pulmonary #causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential ... antibodies • Granulomatosis ... with polyangiitis ... Minimal change disease
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Granuloma • Abscess ... Arthritis • Granulomatosis ... with polyangiitis ... Diagnosis #Algorithm #Causes
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain - Differential ... Rheumatica • Granulomatosis ... with polyangiitis ... GPA)/microscopic polyangiitis ... #Orthopedics #Causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... Differential Diagnosis ... Vasculitis (e.g., Granulomatosis ... with polyangiitis ... #pulmonary #differential
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... - Differential ... • Thin GBM disease ... (Granulomatosis ... with polyangiitis
Causes of Myocarditis
Infectious Etiologies:
 • Viral agents: Adenoviruses, Enteroviruses (coxsackievirus), Herpesviruses (human herpesvirus 6, Epstein—Barr virus),
Causes of Myocarditis ... cruzi (Chagas disease ... with polyangiitis ... (Wegener granulomatosis ... #Myocarditis #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
vasculitis (AAV): GPA (granulomatous ... (eosinophilic granulomatosis ... life-threatening diseases ... Inflammatory eye disease ... Goodpasture's cause