14 results
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Utilizing Uric Acid ADH ... Sodium 4) Serum ... Uric Acid → SIADH
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... treat underlying cause ... (CHF, cirrhosis ... , SSRIs) - SIADH ... diagnosis #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... Urine Na+K / serum ... , Renal Sodium loss ... can be high or low
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
stimulated in states of low ... Measured urine sodium ... #hyponatremia #ADH ... #Hypovolemia #EBV ... #potomania #SIADH
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
, ADH (appropriately ... 3 questions to work ... Measure urine osmolality ... volume status (EABV ... management #nephrology #sodium
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
promoting passive sodium ... Saline: • If Urine ... antagonists: • Blocks ADH ... #Management #hyponatremia ... #nephrology #treatment
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
SIADH Treatment ... Treat underlying cause ... promoting passive sodium ... vaptans) • Blocks ADH ... #Management #hyponatremia
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
• Euvolemia: SIADH ... Alcohol MH/CCF ... #diagnosis #causes ... #nephrology #sodium ... #low
Primary Polydipsia
Definition: Excessive volitional water intake
Epidemiology:
 • 6-20% of patients with psychiatric disorders - Most commonly
ADH suppression ... with suppressed ADH ... Pseudohyponatremia, SIADH ... intoxication Initial Workup ... , Urine Sodium
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
Management of Hyponatremia ... • IF SIADH — ... look for cause ... #Management #algorithm ... #treatment #sodium