Respuesta :
The brain death evaluation must include an apnea test. The length of the apnea test varies, but it usually takes 8 to 10 minutes. Hypothermia-related prolonged apnea tests have been documented.
oxygen is administered, and mechanical breathing is disconnected from the patient as part of a standard apnea testing procedure. If there are no respiratory movements and arterial PaCO2 is lower than 60 mm Hg, the test is deemed positive (or 20 mm Hg increase over baseline normal PaCO2).
How is a brain death apnea test performed?
A catheter or cannula is typically inserted into the endotracheal tube, down to the level of the carina, where oxygen is administered, and mechanical breathing is disconnected from the patient as part of a standard apnea testing procedure.
Why is apnea testing required to confirm brain death?
The apnea test, which offers a crucial indicator of the final loss of brainstem function, is a requirement for determining brain death (BD).
What reaction qualifies as a positive apnea test outcome?
One of the key steps in the neurological assessment of death is the apnea test. If there are no respiratory movements and arterial PaCO2 is lower than 60 mm Hg, the test is deemed positive (or 20 mm Hg increase over baseline normal PaCO2).
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