13 results
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
Glomerular Diseases ... RBC casts in urine ... Proteinuria often ... Massive proteinuria ... diabetes)) #Glomerular
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... Differential Diagnosis Algorithm ... present on repeat testing ... • Drugs Glomerular ... #Causes
This image shows scanning EM of a proteinuric glomerulus with capillary loop showing widening and partial
of a proteinuric ... glomerulus with ... interdigitating podocyte ... arkanalabs #glomerulus ... ElectronMicroscopy #SEM
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... mimics, repeat testing ... • Evidence of glomerular ... bleeding (proteinuria ... Nephrology if cause
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
evaluated for glomerular ... monitoring low-level glomerular ... of glomerular disease ... disorders #glomerular ... #testing #workup
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
hematuria and/or proteinuria ... the patient have glomerular ... hematuria (RBC casts ... Syndrome #Comparison #Algorithm
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
evaluated for glomerular ... monitoring low-level glomerular ... of glomerular disease ... #glomerular #disease ... #workup #diagnosis
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... • Calculi Glomerular ... epithelial side of glomerular ... endothelial side of glomerular ... nephrotic range) proteinuria
Algorithm - Approach to the differential diagnosis of the patient presenting with overt glomerular proteinuria. CMV
Algorithm - Approach ... presenting with overt glomerular ... Cytomegalovirus; GBM = glomerular ... Nephrocalcinosis causes ... #diagnosis #glomerular
Acute Kidney Injury - Differential Diagnosis Framework
PRERENAL:
 - Intrarenal vasoconstriction-hemodynamically mediated
 - Systemic vasodilation
 - Volume
INTRINSIC: - Glomerular ... red blood cells/proteinuria ... nephrotoxic drugs, treating ... underlying cause ... percutaneous drainage, or stenting