Nhiponatremia pdf scielo academico

Severe hyponatremia occurring as the presenting feature of hypopituitarism secondary to pituitary adenomas is rare. Treatment varies with the nature of onset acute or chronic, severity and symptoms. We contend that confronting the challenge of hyponatremia requires a twopronged approach. Newborn with omphalitis and hypernatremic dehydration. Under normal conditions sodium is the main determinant of plasma osmolality, and its homeostasis depends primarily on water balance. First,adiagnostic evaluation is aimed at identifying the pathogenesis and putative causes of hyponatremia, the casespeci. Revision 71 gicas 24,7% y lesion renal aguda, todas con signifi cancia estadistica. Hiponatremia hipervolemica sodio urinario 20 meql pdf. This document is written on behalf of erbp which is an official body of the eraedta european renal association european dialysis and transplant. Two elderly males 74 and 78 yearold presenting with impaired consciousness and low plasma sodium after an episode of diarrhea and a 56yearold male presenting with impaired consciousness after an episode of vomiting. Hiponatremia dos sintomas ao diagnostico e tratamento.

Hyponatremia may be euvolemic, hypovolemic or hypervolemic. Proper interpretation of the various laboratory tests helps to differentiate the various types of hyponatremia. First,adiagnostic evaluation is aimed at identifying the. Alterations in plasma osmolality are related to changes in cell volume, which are the pathophysiological substrate of serious diseases. The acute afections of center sistem nervous as the strokeacv and head trauma produce alterations in the sodio homeostasis for various mechanisms. The hiponatremia is a frecuently event in our enviroment, it is a desafy because to diverse etiology, the complications of their natural evolution become severity and to fatalytis. Hyponatremia is the most common electrolyte imbalance in clinical practice. Morbidity and mortality are significantly increased in patients with symptomatic hyponatremia in contrast to patients whose sodium concentration is normal.