Difference between revisions of "ACID-BASE ANALYSIS-STEP 4"
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[[Topic summary|<h5>'''TOPIC SUMMARY'''</h5>]] | |||
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<div>1. Check the respiratory component.</div><div><br></div><div> <div>2. In metabolic acidosis, the expected pCO<sub>2</sub> is 15 + actual HC03<sup>-</sup> from the chemistry.</div><div><br></div> </div> <div> <div>3. In metabolic alkalosis, the expected pCO<sub>2</sub> increases by 0.7 mmHg for every 1 mEq/L increase in the HC03<sup>-</sup> ⇒ 0.7*rise in measured bicarb.</div><div><br></div> </div> <div> <div>4. If higher than expected pCO<sub>2</sub> is present in the blood gas results, a <b>respiratory acidosis</b> is present.</div><div><br></div> </div> <div> <div>5. If lower than expected pCO<sub>2</sub> is present in the blood gas results, a <b>respiratory alkalosis</b> is present.</div></div></div> | <div>1. Check the respiratory component.</div><div><br></div><div> <div>2. In metabolic acidosis, the expected pCO<sub>2</sub> is 15 + actual HC03<sup>-</sup> from the chemistry.</div><div><br></div> </div> <div> <div>3. In metabolic alkalosis, the expected pCO<sub>2</sub> increases by 0.7 mmHg for every 1 mEq/L increase in the HC03<sup>-</sup> ⇒ 0.7*rise in measured bicarb.</div><div><br></div> </div> <div> <div>4. If higher than expected pCO<sub>2</sub> is present in the blood gas results, a <b>respiratory acidosis</b> is present.</div><div><br></div> </div> <div> <div>5. If lower than expected pCO<sub>2</sub> is present in the blood gas results, a <b>respiratory alkalosis</b> is present.</div></div></div> | ||
Revision as of 11:11, 19 December 2022
TOPIC SUMMARY
1. Check the respiratory component.
2. In metabolic acidosis, the expected pCO2 is 15 + actual HC03- from the chemistry.
3. In metabolic alkalosis, the expected pCO2 increases by 0.7 mmHg for every 1 mEq/L increase in the HC03- ⇒ 0.7*rise in measured bicarb.
4. If higher than expected pCO2 is present in the blood gas results, a respiratory acidosis is present.
5. If lower than expected pCO2 is present in the blood gas results, a respiratory alkalosis is present.
Reference(s)
Gale, M., Grantham, H., Morley, P. and Parr, M. (2016). Advanced Life Support Level 1: 3rd Australian Edition. Australian Resuscitation Council.
American College Of Surgeons. Committee On Trauma (2012). ATLS : student course manual. Chicago, Ill.: American College Of Surgeons.
