[Answer] A patient in cardiac arrest experiences return of spontaneous circulation. As part of post-cardiac arrest care the patient is receiving mechanical ventilation. Which finding(s) would indicate the need for change in the ventilator settings to optimize the patient’s ventilation and oxygenation?

Answer: Mechanical ventilation should be started at a rate of 10 to 12 breaths per minute and adjusted as necessary to keep ETCO2 levels in the range of 35 to 40 mmHg and PaCO2 levels in the range of 40 to 45 mmHg. The minimum fraction of inspired oxygen necessary to maintain an SaO2 of at least 94% is used.
A patient in cardiac arrest experiences return of spontaneous circulation. As part of post-cardiac arrest care the patient is receiving mechanical v…

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