8 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
water retention 1) Serum ... 4) Serum Uric Acid ... Acid → renal salt wasting ... By Rachel Stern ... Diagnosis #Algorithm #nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
Cerebral salt wasting ... Euvolemic, Serum ... Hypervolemic, Serum ... 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 ... : SIADH, Renal Sodium ... Cerebral Salt Wasting ... diagnosis #table #sodium ... #nephrology
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... expensive Serum ... Serum or urine for ... #workup #diagnosis ... nephrotic #nephritic #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 ... Treatment #management #nephrology ... #sodium
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
Recommended initial testing ... expensive 2) Serum ... Serum or urine for ... glomerular #disease #workup ... #nephrology #nephrotic
Stiff Person Syndrome (SPS) - Diagnosis and Management Summary

Epidemiology:
 • Prevalence: 1-2 cases per million -
disorders • Testing ... diazepam • EMG testing ... antibody that works ... others (botox, sodium ... Management #treatment #neurology
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
intoxication Initial Workup ... : Serum Osm, Urine ... Osm, Serum Sodium ... , Urine Sodium ... diagnosis #management #nephrology