15 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... unilateral flank pain ... WBCs, or urine ... #Algorithm #Workup
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
sediment - WBC/ ... RBC casts ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology ... #Algorithm #Causes
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... syndrome: • Flank pain ... castsDiagnostic ... #Differential #Diagnosis ... #nephrology #renal
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... : • RBC Casts - ... #Urine #Microscopy ... #nephrology #interpretation ... #diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... microscopy / urinary ... investigations depending on clinical ... #Diagnosis #nephrology ... #causes
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
IMPROVEMENT If the urine ... Assess UA w/ microscopy ... for WBCs, RBCs, ... KidneyInjury #simplified #workup ... #diagnosis #nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... sterile pyuria, WBC ... , microscopic hematuria ... #Algorithm #nephrology ... #diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
stimulus to ADH • Pain ... • Pulmonary pathology ... Hypo-osmolar urine ... #Hyponatremia #Nephrology ... #Algorithm #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
stimulus to ADH • Pain ... • Pulmonary pathology ... Hypo-osmolar urine ... #Hyponatremia #Nephrology ... #Algorithm #Causes
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
glomerular hematuria (RBC ... casts or dysmorphic ... RBCs in urine)? ... Syndrome #Comparison #Algorithm ... #Nephrology #Diagnosis