Procedure 1 Interpreting an ECGYou will now perform some basic ECG interpretation. Following are two tracings for which you will calculate the beartrate and determine the duration of key periods of the ECG.1. Identify and label the P wave, QRS complex, T wave, P-R interval, R-R interval, and Q-T interval on Tracings 1 and2 in Figure 12.31.Tracing 1Tracing 2FIGURE 12.31 ECG tracings2 Calculate the heart rate for each tracing. Are the values normal or abnormal?Heart Rate Tracing 1:Heart Rate Tracing 2: 3 The pulmonary and aortic valves are known as thea. atrioventricular (AV) valves.b. semilunar valves.c. coronary valves.d. chordae tendineae.4 The right and left coronary arteries are the first branches off thea. aorta.b. superior vena cava.c. pulmonary trunk.d. pulmonary veins.5 High pressure in the systemic and pulmonary circuits often results in ventricular hypertrophy, in which the ventricleenlarges to pump against greater force. Which side(s) of the heart would be affected by high pressure in the pulmonarycircuit? Which side(s) of the heart would be affected by high pressure in the systemic circuit? Explain.

2.To calculate the heart rate multiply the number of QRS complexes by six. In tracing 1: there are…

erpreting an ECG ECG interpretation. Following are two tracings for which you will calculate the heart key periods of the ECG. DRS complex, T wave, P-R interval, R-R interval, and Q-T interval on Tracings 1 and

erpreting an ECG ECG interpretation. Following are two tracings for which you will calculate the heart key periods of the ECG. DRS complex, T wave, P-R interval, R-R interval, and Q-T interval on Tracings 1 and

Comprehensive Medical Terminology

4th Edition

ISBN:9781133478850

Author:Jones

Publisher:Jones

Chapter22: Pharmacology

Section: Chapter Questions

Problem F9CRE

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Question

Procedure 1 Interpreting an ECG
You will now perform some basic ECG interpretation. Following are two tracings for which you will calculate the beart
rate and determine the duration of key periods of the ECG.
1. Identify and label the P wave, QRS complex, T wave, P-R interval, R-R interval, and Q-T interval on Tracings 1 and
2 in Figure 12.31.
Tracing 1
Tracing 2
FIGURE 12.31 ECG tracings
2 Calculate the heart rate for each tracing. Are the values normal or abnormal?
Heart Rate Tracing 1:
Heart Rate Tracing 2:

3 The pulmonary and aortic valves are known as the
a. atrioventricular (AV) valves.
b. semilunar valves.
c. coronary valves.
d. chordae tendineae.
4 The right and left coronary arteries are the first branches off the
a. aorta.
b. superior vena cava.
c. pulmonary trunk.
d. pulmonary veins.
5 High pressure in the systemic and pulmonary circuits often results in ventricular hypertrophy, in which the ventricle
enlarges to pump against greater force. Which side(s) of the heart would be affected by high pressure in the pulmonary
circuit? Which side(s) of the heart would be affected by high pressure in the systemic circuit? Explain.

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