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Table 26-3

Distinguishing Respiratory and Metabolic Acidosis versus Alkalosis

pHPaco2Bicarbonate
Respiratory acidosis
Acute↓↓↑↑↑↑
ChronicNC↑↑↑↑↑
Respiratory alkalosis
Acute↑↑↓↓↓↓
ChronicNC↓↓↓↓ ↓
Metabolic acidosis
Acute↓↓↓↓↓↓↓
Chronic↓↓↓↓↓↓↓
Metabolic alkalosis
Acute↑↑↑↑↑↑↑
Chronic↑↑↑↑↑↑↑