13 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... water retention 1) ... Low Uric Acid → SIADH ... #nephrology #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Workup Step 1 ... Repeat the sodium ... EUVOLEMIC • SIADH ... HYPERVOLEMIC • CHF ... #Nephrology
Hyponatremia Treatment Algorithm

CHF, Cirrhosis - Fluid restriction
SIADH - Fluid restriction
 - Consider salt tablets if etiology
Hyponatremia Treatment ... Algorithm CHF ... Fluid restriction SIADH ... #Treatment #Algorithm ... #Management
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... Urine Na+K / serum ... Na >1 is predictive ... differential #diagnosis #table ... #sodium #nephrology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... restriction: • Restrict 1 ... Saline: • If Urine ... #Management #hyponatremia ... #nephrology #treatment
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... Options 1. ... promoting passive sodium ... #Management #hyponatremia ... #nephrology #treatment
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
1) Is it hypotonic ... Measure urine osmolality ... include vaptans (HF ... #management #nephrology ... #sodium
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
DI; high dilute urine ... output is a clue). 1) ... ([Na] / 140) - 1) ... #management #nephrology ... #sodium
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
Pseudohyponatremia, SIADH ... Osm, Serum Sodium ... , Urine Sodium ... Polydipsia #diagnosis #management ... #nephrology
Hyponatremia Differential Diagnosis Algorithm in Cancer
UOsm ≥ 100 mOsm/kg = Urine is inappropriately concentrated for hypotonic
in Cancer UOsm ... 100 mOsm/kg = Urine ... inappropriate • SIAD ... adrenalitis; PD-1 ... #algorithm #nephrology