68 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Diagnosis Framework ... → Diagnostic of ... #Differential #Diagnosis ... #causes #urology ... #nephrology #renal
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... if cause not identified ... #Diagnosis #Algorithm
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
the patient has hematuria ... (RBC casts or dysmorphic ... RBCs in urine)? ... Syndrome #Comparison #Algorithm ... #Nephrology #Diagnosis
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Algorithm Red ... blood cells on urine ... microscopy. ... #Algorithm #Causes
Granular & “Muddy Brown” Casts on Urine Microscopy
A. Finely granular cast B. slightly coarser granular cast
on Urine Microscopy ... “urine poker quads ... appreciated at low ... #Urine #Microscopy ... #Clinical #Nephrology
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... eosinophiluria, microscopic ... hematuria, mild ... Nephritis #AIN #Algorithm ... #nephrology #diagnosis
Differentiation Between Nephrotic Syndrome and Nephritic Syndrome 
== Nephrotic Syndrome ==
Onset - Insidious 
Edema - ++++
Blood
pressure - Normal/low ... Serum albumin - Low ... edgarvlermamd - Nephrology ... Comparison #Table #Nephrology ... #Diagnosis
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... Algorithm Volume ... Urine Cl-: Vomiting ... #Algorithm #Nephrology ... #Causes
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... sodium low, uric ... and uric acid low ... #Differential #Algorithm ... #Diagnosis #Nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... Algorithm Persistent ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology ... #Algorithm #Causes