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Aerospace Engineering
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May 24, 2024
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A&P 102 Lab #08
ECG and Pulse Lab Report Name: _______________Vika Oleynik________________________ Lab Sec;on: ___________________________________ Ac6vity I: L07 – ECG and Pulse 1. Record the following informa;on for your test subject: Name of test subject: Age: ___________________ Sex: ______________M____________ Exercise (days per week): _______________ 2. Record the dura;on of the R-R Interval (Ch 1 Delta-T) for three different cardiac cycles and then calculate the average dura;on. Round values to two decimal places. Table 7. R-R interval measurements under different condi6ons. Condi6on
Cycle #1 Ch 1 Delta-T (sec)
Cycle #2 Ch 1 Delta-T (sec)
Cycle #3 Ch 1 Delta-T (sec)
Average (sec)
Arm Relaxed
0.66
0.79
0.82
0.76
Temperature Change
0.63
0.60
0.58
0.60
Arm Up
0.70
0.70
0.78
0.73
Page 1
A&P 102 Lab #08
3. Record the heart rate (Ch 1 BPM) for three different cardiac cycles and then calculate the average dura;on. Round values to two decimal places. Table 8. Heart rate measurements under different condi6ons. 4. Record the pulse interval (Ch 1 Delta-T) for three different cardiac cycles and then calculate the average dura;on. Round values to two decimal places. Table 9. Pulse interval measurements under different condi6ons. Condi6on Cycle #1 Ch 1 BPM (bpm)
Cycle #2 Ch 1 BPM (bpm)
Cycle #3 Ch 1 BPM (bpm)
Average (bpm)
Arm Relaxed
91.60
76.43
73.62
80.55
Temperature Change
95.24
100
104.35
99.86
Arm Up
85.71
86.33
77.42
81.15
Condi6on Cycle #1 Ch 1 Delta-T (sec)
Cycle #2 Ch 1 Delta-T (sec)
Cycle #3 Ch 1 Delta-T (sec)
Average (bpm)
Arm Relaxed
0.66
0.75
0.70
0.70
Temperature Change
0.60
0.61
0.60
0.60
Page 2
A&P 102 Lab #08
5. Record the pulse rate (Ch 1 BPM) for three different cardiac cycles and then calculate the average dura;on. Round values to two decimal places. Table 10. Pulse rate measurements under different condi6ons. 6. Record the QRS amplitude (Ch 1 P-P) and pulse amplitude (Ch 40 P-P) for one cardiac cycle. Round values to two decimal places. Table 11. Amplitude measurements under different condi6ons Arm Up
0.80
0.81
0.34
0.78
Condi6on Cycle #1 Ch 1 Delta-T (sec)
Cycle #2 Ch 1 Delta-T (sec)
Cycle #3 Ch 1 Delta-T (sec)
Average (bpm)
Condi6on Cycle #1 Ch 1 BPM (bpm)
Cycle #2 Ch 1 BPM (bpm)
Cycle #3 Ch 1 BPM (bpm)
Average (bpm)
Arm Relaxed
91.6
80.54
85.71
85.95
Temperature Change
100.84
98.36
100
99.73
Arm Up
75
74.07
81.63
76.90
Page 3
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A&P 102 Lab #08
7. Complete the following measurements. What is the distance between the test subject’s sternum and shoulder? 25 cm What is the distance between the test subject’s shoulder and finger;p? 71 cm What is the total distance from the sternum to the finger;p? 94 cm 8. Measure the ;me interval between the peak of a R-wave to the next pulse peak during the “arm relaxed” and “arm up” periods. To calculate the speed, divide the total distance from the sternum to the finger;ps by the ;me interval you just measured. Arm relaxed period Time between R-wave and pulse peak? ________.42____________secs Speed? __________223.80__________cm/sec Condi6on
QRS Amplitude Ch 1 P-P (mV)
Pulse Amplitude Ch 40 P-P (mV)
Arm Relaxed
0.88
2.67
Temperature Change
0.89
0.20
Arm Up
1.09
0.99
Page 4
A&P 102 Lab #08
Arm up period Time between R-wave and Pulse peak? ______.39______________secs Speed? ________241.03____________cm/sec 9. Explain the difference in speed between the “arm relaxed” and “arm up” periods. When your arm is relaxed, movements are generally slower due to less muscle engagement and lower readiness for rapid ac;on. In contrast, with the arm raised, muscles are ac;vely engaged, allowing for quicker and more responsive movements. 10. Explain the rela;onship between body temperature and heart rate. Body temperatures affects, body temperature, and heart rate as body temperature increases with it, so does heart rate. Page 5
A&P 102 Lab #08
11. Explain any differences you observed between the test subject’s heart rate (Table 8), pulse rate (Table 10), and/or amplitudes (Table 11) for the various condi;ons. both heart and pulse rates were higher during the "Temperature Change" condi;on compared to the "Arm Relaxed" condi;on. Addi;onally, the QRS amplitude was highest in the "Arm Up" condi;on, indica;ng a change in the electrical ac;vity of the heart under different physical condi;ons. These differences highlight how physiological parameters like heart rate, pulse rate, and cardiac electrical ac;vity can vary under different condi;ons.
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