103 results
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... osmolarity If cause ... syndrome: troponin ... #Injury #AKI #Workup ... #causes
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... proteinuria, RBC casts ... for renal biopsy ... if cause not identified ... Diagnosis #Algorithm #Workup
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
disease - Alport syndrome ... pain hematuria syndrome ... • Nutcracker syndrome ... #urology #nephrology ... #renal #urine #
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Diagnosis Algorithm Syndrome ... Pain/Post-op • Neurologic ... GI losses • Renal ... Hypo-osmolar urine
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Diagnosis Algorithm Syndrome ... Pain/Post-op • Neurologic ... GI losses • Renal ... Hypo-osmolar urine
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
ultrasound, Tests ... (with 24-h urine ... • Cushing’s syndrome ... Mineralocorticoid excess syndromes ... #Screening #Workup
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Recovery from Acute Renal ... Water Deprivation Test ... Water Deprivation Test ... #Polyuria #Nephrology
Distal Renal Tubular Acidosis (RTA)  Type 1 

Totally scuppers the kidney's acidification mechanism. Will be
Distal Renal Tubular ... Failure to acidify urine ... pH <5.5 - Dr ... Distal #Diagnosis #Management ... #Nephrology #Causes
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) Check Urine ... mOsm/kg - Implies renal ... , Cushing syndrome ... #Algorithm #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
hyperaldosteronism • Low Urine ... (late) • High Urine ... hyperaldosteronism • High PRA: Renal ... Diagnosis #Algorithm #Nephrology ... #Causes