FC Emerg Med(SA) Part II Practice Questions - Fellowship Of The College Of Emergency Medicine Of South Africa Part II Exam

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Following successful targeted temperature management and post-cardiac arrest resuscitation, a 50-year-old comatose post-VF arrest patient has an arterial blood gas showing PaO2 of 240 mmHg on FiO2 1.0. What is the most appropriate action regarding arterial oxygenation?

Titrate FiO2 downward to maintain SpO2 between 92% and 98% Maintain FiO2 at 1.0 to ensure maximal oxygen delivery to ischaemic neural tissue Hyperventilate to achieve PaCO2 of 28 mmHg to control cerebral edema Increase positive end-expiratory pressure (PEEP) to 15 cmH2O to prevent atelectasis

Correct Answer:

Titrate FiO2 downward to maintain SpO2 between 92% and 98%

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