1.During your movement of the patient to the ambulance, he suddenly becomes lethargic. You glance at the monitor, which only you can see from your carrying vantage point, and see the following rhythm. While in the ambulance, you and your partner continue high-flow oxygen, you start an IV of normal saline, and your paramedic partner sets up for transcutaneous pacing. You then witness the next ECG prior to the start of pacing. Despite the treatment rendered, the patient continues to deteriorate and goes into cardiac arrest.
a. What rhythm would you tell your partner the patient just went into?
b. What is it?
c. Of the following rhythms, which one is most likely to not produce a palpable pulse? Why?