Question 1

The rhythm in Figure 18 is
◦ junctional bradycardia.
◦ third-degree AV block.
◦ Wenckebach.
◦ Mobitz II second-degree AV block.
Question 2

The QRS interval in Figure 18 is closest to
◦ 0.20 seconds.
◦ 0.40 seconds.
◦ 0.32 seconds.
◦ 0.12 seconds.