69 results
Polyuria - Differential Diagnosis
Solute Diuresis
 • Na intake/saline
 • Glucosuria: Hyperglycemia, SGLT-2 inhibitors
 • Urea: Exogenous
Polyuria - Differential ... Diagnosis Solute Diuresis ... Mannitol use Water Diuresis ... @kdjhaveri #Polyuria
Causes of Frequency, Nocturia, Polyuria

#Frequency #Nocturia #Polyuria #Causes #Differential #Urology #Table
Frequency, Nocturia, Polyuria ... Frequency #Nocturia #Polyuria ... Differential #Urology #Table
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... 3L /day Water Diuresis ... Insipidus Mixed Diuresis ... Failure Solute Diuresis ... solute load #Polyuria
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Diagnosis Algorithm Polyuria ... mosm/kg • Solute Diuresis ... Primary Polydipsia #Polyuria
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
Causes of Polyuria ... a.k.a. osmotic diuresis ... Hypercalcemia Polyuria ... EricsMedicalLectures/ #Polyuria
Causes of Polyuria - Differential Diagnosis Algorithm
Polyuria - Urine Output > 3L/day, Increased Urine Volume (>2ml/min)
Osmotic
Causes of Polyuria ... Diagnosis Algorithm Polyuria ... /min) Osmotic Diuresis ... Insipidus #Polyuria
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
administration • Osmotic diuresis ... (see Polyuria scheme
Diuretic Electrolyte Excretion Effects 
Diuresis, Na+, K+, Mg2+, Ca2+, Cl-, HCO3-, Uric Acid
 - Thiazide Type
Excretion Effects Diuresis ... pharmacology #comparison #table
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Amphotericin B - Polyuria ... Low #Potassium #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypokalemia - Osmotic diuresis ... Post-obstructive diuresis ... Low #Magnesium #Table