10 results
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... ) Naturiesis → diuresis ... Hypovolaemia → ADH ... → Increased urine ... diagnosis #nephrology #hyponatremia
Hyponatremia Treatment Algorithm

CHF, Cirrhosis - Fluid restriction
SIADH - Fluid restriction
 - Consider salt tablets if etiology
Hyponatremia Treatment ... Algorithm CHF ... Fluid restriction SIADH ... status turns off ADH ... #Treatment #Algorithm
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 ... restriction alone in SIADH ... , Renal Sodium loss ... Insufficiency, Cerebral
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
Algorithm Hypertonic ... OFF (UNa > 30): SIADH ... , Medications (diuretics ... Reset osmostat, Cerebral ... #sodium #nephrology
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Diagnosis Algorithm ... underlying cause (CHF ... , SSRIs) - SIADH ... exclude: CKD, Thiazides ... diagnosis #nephrology #sodium
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... losses (especially thiazide ... diuretics) With ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... losses (especially thiazide ... diuretics) With ... Reduced GFR, AKI/CRF ... Hypo-osmolar urine
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
consequence of cerebral ... Measured urine sodium ... #hyponatremia #ADH ... #Hypovolemia #EBV ... #Thiazides #UNAa
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
majority of cases, ADH ... Measure urine osmolality ... volume status (EABV ... include vaptans (HF ... management #nephrology #sodium
Management of Hyponatremia
Hypertonic Saline - Only indicated if patient has severe symptoms + Na < 125
Give
Management of Hyponatremia ... Diuretics ... Add Diuretics, Consider ... #Management #algorithm ... #treatment #sodium