101 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... pain hematuria syndrome ... → Diagnostic of ... #causes #urology ... #nephrology #renal
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup and Diagnosis ... → Refer to Nephrology ... for renal biopsy ... cystoscopy • Refer to Nephrology ... if cause not identified
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... osmolarity If cause ... syndrome: troponin ... #Differential #Diagnosis ... #nephrology #causes
Distal Renal Tubular Acidosis (RTA)  Type 1 

Totally scuppers the kidney's acidification mechanism. Will be
much easier to diagnosis ... with direct urine ... Failure to acidify urine ... #Diagnosis #Management ... #Nephrology #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Algorithm Syndrome ... GI losses • Renal ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Nephritic vs Nephrotic Syndrome

Step 1: If the patient has hematuria and/or proteinuria, think about nephrotic/nephritic syndromes.
Step
Nephritic vs Nephrotic Syndrome ... hematuria (RBC casts ... dysmorphic RBCs in urine ... Comparison #Algorithm #Nephrology ... #Diagnosis
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Algorithm Syndrome ... GI losses • Renal ... Hypo-osmolar urine ... #Hyponatremia #Nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
- Differential Diagnosis ... Polydipsia • Central ... #Differential #Diagnosis ... #Algorithm #causes ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
- Differential Diagnosis ... hyperaldosteronism • Low Urine ... (late) • High Urine ... #Algorithm #Nephrology ... #Causes
Glomerular Diseases - Nephritic and Nephrotic Syndromes

Nephritic syndrome—due to GBM disruption. 
Hypertension. t BUN and creatinine.
and Nephrotic Syndromes ... RBC casts in urine ... but in severe cases ... #Proteinuria #Nephrology ... #Diagnosis