Question 1
The type of regularity in which the R-R intervals are 22-24-23-29-33-47-27 is
◦ irregular.
◦ regular.
◦ regular but interrupted by premature beats.
◦ regular but interrupted by pauses.
Question 2
Atrial rate can be calculated by counting
◦ QRS complexes.
◦ PR intervals.
◦ P waves.
◦ R-R intervals.