Monday, May 20, 2013


Hyponatremia and non-cardiogenic pulmonary edema
 
 
One less paid attention during management of hyponatremia is to non-cardiogenic pulmonary edema, which can develop at Sodium level below 121 ± 3 mmol/L. In these settings usually EKG and echocardiograms are normal. CXR shows pulmonary edema with a normal heart. Also, cardiac enzymes are normal, and pulmonary wedge pressure not elevated. Cerebral edema may simultaneously may be present. Situation is usually reversible with reversal of hyponatremia.
 
 
 
Reference:
 
 
1. J. Carlos Ayus, MD; Joseph Varon, MD; and Allen I. Arieff, MD Hyponatremia, Cerebral Edema, and Noncardiogenic Pulmonary Edema in Marathon Runners, Ann Intern Med. 2000;132(9):711-714
 
2. Ayus JC, Arieff AI., Pulmonary complications of hyponatremic encephalopathy. Noncardiogenic pulmonary edema and hypercapnic respiratory failure., Chest. 1995 Feb;107(2):517-21.

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