Author Question: If a rhythm is regular, the MOST accurate way to calculate heart rate is to count the number of ... (Read 89 times)

CharlieWard · **on:** Jul 2, 2018

If a rhythm is regular, the MOST accurate way to calculate heart rate is to count the number of small squares between two R waves and divide the total into:

A) 60.
B) 150.
C) 1300.
D) 1500.

Question 2

When a P wave originates in the SA node, it is expected to be smooth, rounded, and ________ in Lead II.

A) inverted
B) upright
C) notched
D) biphasic