What is this patient’s acid base status most accurately described - ProProfs Discuss
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What is this patient’s acid-base status most accurately described as?

A young woman is found comatose, having taken an unknown number of sleeping pills an unknown time before. An arterial blood sample yields the following values: pH 6.90, HCO3- 13 meq/liter and PaCO2 68 mmHg.

Asked by Santepro, Last updated: Nov 17, 2020

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santepro

santepro

santepro
Santepro

Answered Sep 25, 2018

Simultaneous Respiratory and Metabolic Acidosis

Whenever the PCO2 and HCO3 are abnormal in opposite directions, ie, one above normal while the other is reduced, a mixed respiratory and metabolic acid-base disorder exists. When the PCO2 is elevated and the [HCO3-] reduced, respiratory acidosis and metabolic acidosis coexist.
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