Management of metabolic acidosis: does correction with sodium bicarbonate do more harm than good?
Summary of "Management of metabolic acidosis: does correction with sodium bicarbonate do more harm than good?"
Metabolic acidosis is a very common finding in critically ill patients and is associated with increased morbidity and mortality. Metabolic acidosis in critical care patients is commonly the result of either anaerobic metabolism or failure of excretion of endogenous acid. Other causes include renal or gastrointestinal loss of bicarbonate and the intake of exogenous acids.
This article was published in the following journal.
Name: British journal of hospital medicine (London, England : 2005)
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Medical and Biotech [MESH] Definitions
Proteins that cotransport sodium ions and bicarbonate ions across cellular membranes.
A congenital or acquired condition of insufficient production of ALDOSTERONE by the ADRENAL CORTEX leading to diminished aldosterone-mediated synthesis of Na(+)-K(+)-EXCHANGING ATPASE in renal tubular cells. Clinical symptoms include HYPERKALEMIA, sodium-wasting, HYPOTENSION, and sometimes metabolic ACIDOSIS.
The oxygen consumption level above which aerobic energy production is supplemented by anaerobic mechanisms during exercise, resulting in a sustained increase in lactate concentration and metabolic acidosis. The anaerobic threshold is affected by factors that modify oxygen delivery to the tissues; it is low in patients with heart disease. Methods of measurement include direct measure of lactate concentration, direct measurement of bicarbonate concentration, and gas exchange measurements.
Membrane proteins that allow the exchange of chloride ions for bicarbonate ions across the cellular membrane. The action of specific antiporters in this class serve important functions such as allowing the efficient exchange of bicarbonate across red blood cell membranes as they passage through capillaries and the reabsorption of bicarbonate ions by the kidney.
A pathologic condition resulting from accumulation of acid or depletion of the alkaline reserve (bicarbonate) content of the blood and body tissues, and characterized by an increase in hydrogen ion concentration (decrease in pH). (Dorland, 27th ed)