Alkalosis

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Overview, Causes, & Risk Factors

The lungs and kidneys regulate the acid/base status of the body. Decreased carbon dioxide or increased bicarbonate levels create an excessive alkaline state called alkalosis.

Respiratory alkalosis is caused by lower carbon dioxide levels. Hyperventilation (increased rate of breathing) causes the body to lose carbon dioxide. Altitude or a disease that causes reduced oxygen in the blood triggers the individual to breathe faster. This reduces carbon dioxide levels which results in respiratory alkalosis.

Metabolic alkalosis is caused by an excess of bicarbonate in blood. Hypochloremic alkalosis is caused by an extreme lack or loss of chloride (may be caused by prolonged vomiting). The kidneys compensate for the chloride loss by conserving bicarbonate.

Hypokalemic alkalosis is caused by the kidneys' reaction to an extreme lack or loss of potassium which may be caused by some diuretic medications.

Compensated alkalosis is caused when the body has partially compensated for alkalosis, returning the acid/base balance to normal, even though bicarbonate and carbon dioxide levels remain abnormal.

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