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Extreme metabolic alkalosis in intensive care

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Author(s): Tripathy Swagata

Journal: Indian Journal of Critical Care Medicine
ISSN 0972-5229

Volume: 13;
Issue: 4;
Start page: 217;
Date: 2009;
Original page

Keywords: Extreme metabolic alkalosis | respiratory compensation | treatment

ABSTRACT
Metabolic alkalosis is a commonly seen imbalance in the intensive care unit (ICU). Extreme metabolic alkalemia, however, is less common. A pH greater than 7.65 may carry a high risk of mortality (up to 80%). We discuss the entity of life threatening metabolic alkalemia by means of two illustrative cases - both with a pH greater than 7.65 on presentation. The cause, modalities of managing and complications of this condition is discussed from the point of view of both the traditional method of Henderson and Hasselbalch and the mathematical model based on physiochemical model described by Stewart. Special mention to the pitfalls in managing patients of metabolic alkalosis with concomitant renal compromise is made.
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