7 results
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Neurological event 2) Sodium ... → ADH → water reabsorption ... #Cerebral #SaltWasting ... diagnosis #nephrology #hyponatremia ... #comparison
Modified Hyponatremia Algorithm
Hypertonic Hyponatremia: Hyperglycemia, Mannitol, Urologic irrigants
Hypotonic Hyponatremia: 
 • ADH ON (UOsm > 100):
ON (UNa < 30): Hypovolemia ... OFF (UNa > 30): SIADH ... Primary polydipsia, Low ... solute intake, Beer potomania ... Algorithm #diagnosis #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
, Renal Sodium loss ... can be high or low ... , Hypervolemia with ... solute intake (Beer potomania ... #differential #
Hyponatremia - Differential Diagnosis Algorithm
ADH Independent:
 • Tea and Toast Syndrome, Beer Potomania - Low solute
Hyponatremia - Differential ... Syndrome, Beer Potomania ... - Low solute diet ... • Hypovolemic - ... insufficiency, SIADH
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Diagnosis Algorithm Hypovolemic ... Polydipsia - Beer Potomania ... , SSRIs) - SIADH ... diagnosis #nephrology #sodium
Hyponatremia - Differential Algorithm
Isotonic Hyponatremia: Hyperlipidemia, Hyperproteinemia, Recent TURP
Hypotonic Hyponatremia: 
 • Hypovolemia: Diuretics/Nephropathies, Vomiting, Diarrhea,
Hyponatremia - Differential ... • Euvolemia: SIADH ... , Beer Potomania ... causes #nephrology #sodium ... #low
Hyponatremia (<135 mEq/L) is a common electrolyte abnormality caused by an excess of total body water
body water in comparison ... osmolality helps to differentiate ... #hyponatremia #ADH ... #EBV #potomania ... #SIADH #Thiazides