Question 1

In Figure 5, the heart rate is closest to
◦ 75.
◦ 40.
◦ 55.
◦ 100.
Question 2
All sinus rhythms have
◦ wide, bizarre QRS complexes.
◦ upright, matching P waves.
◦ multiple P waves of varying configurations.
◦ heart rates between 40 and 100.