8 results
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
- Differential ... >50% - Proper kidney ... - Unresponsive Kidney ... • Nephrogenic ... #Nephrology #Differential
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... #Differential # ... Diagnosis #Workup ... #Algorithm #nephrology
Causes of Chronic Kidney Disease - Differential Diagnosis Algorithm
Decreased kidney function (eGFR < 60 ml/min/1.73 m2)
Disease - Differential ... Constipation • Prostate cancer ... Interstitial (Sterile pyuria ... KidneyDisease #Nephrology ... #Differential #
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia - Differential ... Appropriately Low Kidney ... (MM, lymphoma, cancer ... Diagnosis #Algorithm #nephrology ... #phosphorus #workup
Inherited Defects in Kidney Tubule Epithelial Cells

Renal glucosuria - Na+-dependent glucose cotransporter
Cystinuria - Amino acid transporter
Bartter
Inherited Defects in Kidney ... Inherited #Defects #Kidney ... #Nephrology #Diagnosis ... #Differential # ... Table
Diuretics and Agents Regulating Renal Excretion

Carbonic Anhydrase Inhibitors (Acetazolamide, Dichlorphenamide)
 • Glaucoma
 • Epilepsy
 • Altitude
nephrotic syndrome • Hyponatremia ... Lithium-induced nephrogenic ... and euvolemic hyponatremia ... Excretion #Diuresis #Nephrology ... #Medications #Table
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
Rhabdomyolysis - Differential ... Hyperuricemia • Hyponatremia ... nephrotoxicity to kidney ... per day until stable ... causes #treatment #nephrology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
• Symptomatic hyponatremia ... hypothalamic thirst center ... diabetes insipidus Differential ... intoxication Initial Workup ... diagnosis #management #nephrology