QUESTION 17 The heart rate indicated in the image below is + 0 0.15 45 beats/min 60 beats/min 75 beats/min 80 beats/min O 0.3 0.45 0.6 I 0.75 0.9 Time (secs) Each square= 0.03 secs 1.05 I 1.2 1.35
QUESTION 17 The heart rate indicated in the image below is + 0 0.15 45 beats/min 60 beats/min 75 beats/min 80 beats/min O 0.3 0.45 0.6 I 0.75 0.9 Time (secs) Each square= 0.03 secs 1.05 I 1.2 1.35
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:QUESTION 17
The heart rate indicated in the image below is
Ć
0
0.15
45 beats/min
60 beats/min
75 beats/min
80 beats/min
ALERTIAN 40
0.3
T
0.45 0.6
I
I
0.75 0.9
Time (secs)
Each square= 0.03 secs
1.05 1.2
1.35
Expert Solution
Step 1
An electrocardiogram, often known as an ECG, is a tool used to monitor the electrical activity of the heart and assess its rhythm. It makes it easier to diagnose various cardiovascular diseases and produces an electrogram, a graph (voltage vs time of electrical activity). The electrogram includes six different wave types which are P-waves, Q-waves, S-waves, U-waves, R-waves, and T-waves. The period of time between two distinct Electrocardiogram events is termed an interval. The RR-interval, QT-interval, QRS-interval, and PR-interval are the intervals that are frequently measured on an Electrocardiogram.
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