What is the target PaCO2 after ROSC unless another target is clinically indicated?

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Multiple Choice

What is the target PaCO2 after ROSC unless another target is clinically indicated?

Explanation:
Maintaining normal PaCO2 after ROSC is crucial to protecting the brain. PaCO2 in the 35–45 mmHg range keeps cerebral vessels at a normal tone, supporting steady cerebral blood flow. If PaCO2 drops below 35 mmHg, the resulting cerebral vasoconstriction reduces blood flow and can worsen brain injury. If PaCO2 rises above 45 mmHg, vasodilation can increase cerebral blood volume and raise intracranial pressure. Therefore, the standard target is 35–45 mmHg unless a specific clinical situation requires a different target.

Maintaining normal PaCO2 after ROSC is crucial to protecting the brain. PaCO2 in the 35–45 mmHg range keeps cerebral vessels at a normal tone, supporting steady cerebral blood flow. If PaCO2 drops below 35 mmHg, the resulting cerebral vasoconstriction reduces blood flow and can worsen brain injury. If PaCO2 rises above 45 mmHg, vasodilation can increase cerebral blood volume and raise intracranial pressure. Therefore, the standard target is 35–45 mmHg unless a specific clinical situation requires a different target.

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