2235 results
Polyuria - Differential Diagnosis
Solute Diuresis
 • Na intake/saline
 • Glucosuria: Hyperglycemia, SGLT-2 inhibitors
 • Urea: Exogenous
Polyuria - Differential ... Diuresis • Primary Polydipsia ... #Polyuria #Differential
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, Differential ... - Psychogenic polydipsia ... Classification #Differential
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
of Polyuria - Differential ... Water: • Primary polydipsia ... "psychogenic polydipsia ... #Polyuria #Differential
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Consider: Primary polydipsia ... hyponatremia #diagnosis #differential
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria - Differential ... Insipidus • Primary Polydipsia ... #Polyuria #Differential
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
Polyuria - Differential ... kg) • Primary Polydipsia ... #Polyuria #Differential
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... • Psychogenic Polydipsia ... #Hyponatremia #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... suppression • Primary polydipsia ... Hyponatremia #Nephrology #Differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Hyponatremia - Differential ... suppression • Primary polydipsia ... Hyponatremia #Nephrology #Differential
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... - Primary Polydipsia ... #Hyponatremia #Differential