Your patient is a 66-year-old female who has regained a pulse after a shock with an AED; however, she remains unresponsive and is not breathing adequately. Which of the following should be done next?

A) Deliver a fourth shock to improve the patient's respiratory status.
B) Remove the AED and assist the patient's ventilations with a bag-valve mask and supplemental oxygen, and keep re-assessing the pulse.
C) Apply a nonrebreather mask with high-concentration oxygen and keep reassessing the pulse.
D) Assist ventilations with a bag-valve-mask device and supplemental oxygen and anticipate that the patient may go back into cardiac arrest.

D