Question: A client with a diagnosis of acute coronary syndrome is on a cardiac monitor. The nurse interprets the monitor rhythm to be ventricular tachycardia at a rate of 160 beats/min. The client is awake and coherent, and oxygen is being administered at a rate of 6 L/min via a nasal cannula. What is the first nursing action?
1. Immediately defibrillate
2. Administer lidocaine IV push
3. Initiate transvenous pacing
4. Administer adenosine IV push