After drawing an ABG sample, you notice that the blood appears to be darker in color. You suspect that obtained sample is actually venous blood. Which of the following would be the best way to confirm this suspicion?

belongs to book: ABG PRACTICE QUESTIONS|Respiratory Therapy Zone|| Chapter number:2| Question number:28

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2022-12-14

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After drawing an ABG sample, you notice that the blood appears to be darker in color. You suspect that obtained sample is actually venous blood. Which of the following would be the best way to confirm this suspicion?

Get a second opinion from the attending physician
Compute the alveolar-arterial O2 gradient
Compute the patient’s P/F ratio
Cross-check the results against the patient’s SpO2

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After drawing an ABG sample, you notice that the blood appears to be darker in color. You suspect that obtained sample is actually venous blood. Which of the following would be the best way to confirm this suspicion?

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