1. Heart, Blood vessels,
EKG

2. Heart

5. Blood vessels

6. EKG P: Atrial depolarization QRS: Ventricular depolarization
T: Ventricular repolarization

9. AliveCor

10. Avoid touching metal and remove jewelry
Place two fingers of each hand on electrode
Alivecor: go to playstore and download Kardia
Password: windward96744
Avoid touching metal and remove jewelry

11. Directions After recording, email the recording to yourself
Open it up on the class laptop and print.
Identify and label 3 waves
4. Describe or diagram the associated events that are occurring in the cardiac pump at the time of each of these wave deflections.
5. Estimate the heart rate by measuring the distance between two adjacent QRS complexes.

12. R T P Q S P-R segment S-T HT T P wave T wave T-R S-T interval
P-R interval
P-R
segment
QRS Complex
Q-T interval
S-T interval
T wave
S-T
T-R
P wave
HT T

13. Estimate Heart Rate

14. Conditions Lying Down (Baseline) Sitting Up Breath Hold Exercise
Effects of body position and exercise on ECG wave durations and interval
Conditions
Lying Down (Baseline)
Sitting Up
Breath Hold
Exercise

15. Table 1. Individual ECG Data
Table 2. Effects of Exercise and Body Position on ECG Intervals TR
T (ht) T
QT Int
ST Seg
QRS
P-R seg
P-R
Int P
Heart Rate
Condition
Lying down (baseline)
Sitting up
breath hold (20 sec)
Exercise (5 minutes)
Subject Info
Subject 1
Gender
Age
Fitness 1-5
Subject 2
Subject 3
Ave
Segment
Measured Duration
Normal Duration
P wave 1. 2. 3.
Ave
P-R Interval
P-R Segment
0.06
QRS Complex
S-T segment
<0.20
Q-T Interval
T wave
T-R
variable
Estimated Heart Rate