A patient has been resuscitated from cardiac arrest and is being prepared for transport. She is intubated and is receiving 100% oxygen. During the resuscitation she received 2 doses of epinephrine 1 mg, atropine 1 mg, and lidocaine 100 mg IV. You now observe the above rhythm on the cardiac monitor. The rhythm abnormally is becoming more frequent and increasing in number. You should order:

A patient has been resuscitated from cardiac arrest and is being prepared for transport. She is intubated and is receiving 100% oxygen. During the resuscitation she received 2 doses of epinephrine 1 mg, atropine 1 mg, and lidocaine 100 mg IV. You now observe the above rhythm on the cardiac monitor. The rhythm abnormally is becoming more frequent and increasing in number. You should order:

You arrive on-scene and find a 56 year-old diabetic woman complaining of chest discomfort. She is pale and diaphoretic, complaining of lightheadedness. Her BP is 80/60 mm Hg. The cardiac monitor documents the rhythm above. She is receiving oxygen at 4 L/min by Nasal Cannula, and an IV has been established. Transcutaneous Pacing has been requested but is not yet available. Your next order is: