Cardiovascular Effects of Exercise - Cardiovascular Effects...

Cardiovascular Effects of Exercise
Exercise 1: ECG during rest and after exercise
Study Exercise
Add comments to the recording to indicate the location of each of the following: the P-wave, the QRS complex,
and the T-wave.

1. What happened to the R-R interval and the heart rate after exercise?
2. The R-R interval consists of the sum of QRS, S-T, T-P and P-R. Which of these became shorter when the
heart rate increased?
3. Immediately after exercise, was the amplitude of the pulse smaller or larger than in the resting record?
Answer