4 results
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cerebral salt wasting ... Glucocorticoid deficiency, Primary ... failure, Cirrhosis, Nephrotic ... algorithm #diagnosis #sodium ... #low #nephrology
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
algorithm Urine Na+K / serum ... Cerebral Salt Wasting ... failure, Cirrhosis, Nephrotic ... water intake (Primary ... #nephrology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
intoxication Initial Workup ... Osm, Serum Sodium ... , Urine Sodium ... Polydipsia #diagnosis #management ... #nephrology
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
3 questions to work ... Calculate serum ... up to 3x in the setting ... Diagnosis #Treatment #management ... #nephrology #sodium