11.07.2014 Views

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

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

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.

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!