Lab 5 ECG and Pulse 2014-02-21a
docx
keyboard_arrow_up
School
Virginia Commonwealth University *
*We aren’t endorsed by this school
Course
206
Subject
Aerospace Engineering
Date
Dec 6, 2023
Type
docx
Pages
3
Uploaded by msadri117
Lab 5: ECG and Pulse
ECG & Pulse
DATA REPORT
Date:
_09__/_19__/_2023__
Student’s Name: ___Adri Cook_________________
Lab Section:
____L52________
I. Data and Calculations
Subject Profile
Name:
__John-L07_____________________
Age:
______
Height:_____________
Gender:
__Male
__Female
A.
Comparison of ECG with Pulse Plethysmogram (Segments 1-3) Complete table with
data from three cycles from each segment and calculate the Means.
(10 points)
Condition
Parameter
Measure
Cycle 1
Cycle 2
Cycle 3
Mean
Arm Relaxed
Segment 1
R-R Interval
∆
T
1.30
1.18
1.14
Heart Rate
BPM
50.21
50.85
52.63
Pulse Interval
∆
T
1.21
1.12
1.14
Pulse Rate
BPM
49.79
53.57
52.86
Temp. Change
Segment 2
R-R Interval
∆
T
Heart Rate
BPM
Pulse Interval
∆
T
Pulse Rate
BPM
Arm Up
Segment 3
R-R Interval
∆
T
Heart Rate
Pulse Interval
Pulse Rate
BPM
∆
T
BPM
B.
Relative Volume Changes (Segments 1-3). Complete table with data from each
recording segment.
(10 points)
Condition
Parameter
Cycle 1
Cycle 2
Cycle 3
Mean
Arm Relaxed
Segment 1
QRS amplitude
1.18
1.10
1.14
Pulse Amplitude
0.49
0.44
0.43
Temp. Change
Segment 2
QRS amplitude
Pulse Amplitude
Arm Up
Segment 3
QRS amplitude
Pulse Amplitude
Revised: 2014-02-21
Lab 5: ECG and Pulse
C. Calculation of Pulse Speed
(10 points)
Distance between Subject’s sternum and shoulder?
_____24______________cm
Distance between Subject’s shoulder and fingertip? _____68______________cm
Total distance? _____92_____________cm
Data from Segment 1 of the recording (measure with I-beam)
Time between R-wave and Pulse peak: ___0.48_____________secs
Pressure wave speed: _____92/0.48_____________cm/sec
Data from Segment 2 of the recording (measure with I-beam)
Time between R-wave and Pulse peak: ___0.38_____________secs
Pressure wave speed: __92/0.38________________cm/sec
Data from Segment 3 of the recording (measure with I-beam)
Time between R-wave and Pulse peak: ___0.49_____________secs
Pressure wave speed: ___92/0.49_______________cm/sec
II. Questions
(10 points each)
D.
Explain the relationship between the pulse recorded in the finger and heart muscle
contraction
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
E.
Which components of the cardiac cycle (atrial systole and diastole, ventricular
systole and diastole) are discernible in the pulse tracing?
____The ventricular systole and the diastole are discernible in the pulse
tracing.__________________________________________________________________
_______________________________________________
F.
Does raising the arm affect the frequency and amplitude of the ECG? Explain the
physiological mechanism underlying this phenomenon.
_____It will affect only the frequency, not the
amplitude._______________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
____
Revised: 2014-02-21
Lab 5: ECG and Pulse
G.
How would you explain the change in pulse amplitude in one arm when changing the
temperature in the other one arm?
_____Our________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
___
H.
Is there any change in the pulse when the subject raises his/her arm? Explain
____Yes, the blood flow will be working against gravity, since the gravity is pulling the
blood down.__________________
I.
What differences in the pulse amplitude and speed would be expected between a
70-year-old man and a teenager?
___There is more resistance
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
_____________________________________________________________________
J.
Does the amplitude of the QRS complex change with the pulse amplitudes? Explain
your reasoning.
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
Bonus question:
Would the amplitude of your pulse and your heart rate change if you were dehydrated?
If so, why?
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
________________________________________________________________________
Revised: 2014-02-21
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
- Access to all documents
- Unlimited textbook solutions
- 24/7 expert homework help