You are monitoring a patient with chest discomfort who becomes suddenly unresponsive. You observe the above rhythm on the cardiac monitor. A monophasic defibrillator is present. What is your first action:
give a single shock with 360 J
intubate the patient and give epinephrine 2-4 mg via ET tube.
Begin CPR with chest compressions for 2 mins or about 5 cycles.