The nurse in the CCU is caring for a patient diagnosed with…

The nurse in the CCU is caring for a patient diagnosed with pericarditis who is presenting with chest pain, shortness of breath, and pallor. The bedside telemetry monitor shows an agonal rhythm that turns to asystole. The nurse runs a Code Blue and achieves ROSC, and the patient is comatose. Which of the following includes the H/T that caused the code and the appropriate intervention after ROSC is achieved?