2292 results
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
C-ANCA): GPA >>> MPA ... P-ANCA): eGPA, MPA ... Glomerulonephritis #Vasculitis #differential
ANCA Associated Vasculitis (AAV) - Auto-antibodies and Differential Diagnosis

MPA → usually p-ANCA
GPA → usually c-ANCA
EGPA →
Auto-antibodies and Differential ... Diagnosis MPA ... Vasculitis #AAV #Differential
Mesenteric Ischemia - Differential Diagnostic Schema
Chronic: ASCVD, Venous, Vasculitides 5% (PAN, [E]GPA, IgA, MPA)
Acute
 - Venous
Mesenteric Ischemia - Differential ... , [E]GPA, IgA, MPA ... Ischemia #Schema #Differential
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... polyangiitis (MPA ... #Lung #Nodule #Differential
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Proteinuria - Differential ... polyangiitis (MPA ... Proteinuria #Nephrology #Differential
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain - Differential ... polyangiitis (MPA ... JointPain #MSK #Differential
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... vasculitis (GPA > EGPA, MPA ... #Hemoptysis #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... GPA - EGPA - MPA ... Vasculopathy #Purpura #Differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
polyangiitis), MPA ... coagulopathy) • CBC w differential ... Renal #Syndromes #differential
Mixed Phenotype Acute Leukemia (MPAL) - Summary

 • Bilineal MPAL vs. Biphenotypic MPAL
 • Genomic categories
Acute Leukemia (MPAL ... • Bilineal MPAL ... Biphenotypic MPAL ... @ZhuoerXie #MPAL