Clinical Approach to Acid-base Disorders - University at Buffalo
Clinical Approach to Acid-base Disorders - University at Buffalo
Clinical Approach to Acid-base Disorders - University at Buffalo
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Mixed Disturbance<br />
• <strong>Acid</strong>osis.<br />
– If the pH is low or AG is high , and the P a CO 2 is low or<br />
normal, a primary metabolic acidosis is present. The<br />
difference between the measured and the expected<br />
P a CO 2 is then used <strong>to</strong> identify a superimposed<br />
respira<strong>to</strong>ry disorder.<br />
d<br />
– If the pH is low and the P a CO 2 is high, a primary<br />
respira<strong>to</strong>ry acidosis is present. The difference between<br />
the measured and the expected [HCO 3 ] - is then used <strong>to</strong><br />
identify a superimposed metabolic disorder. A low<br />
[HCO 3 ] - may also indic<strong>at</strong>e a metabolic disorder with<br />
superimposed respira<strong>to</strong>ry acidosis.