Download 12-Lead EKG Chapter 5 Worksheet

12-Lead EKG Chapter 5 Worksheet
Name _________________________________________________________ Date ________________
Match the following using the work bank.
____1. Leads V 3 and V 4
____2. Where the end of the QRS complex makes a sudden sharp change in direction
____3. Significant EKG wave changes seen in 2 anatomically contiguous leads (see the same
area of the heart.
____4. ST segment elevation curved upward; “frowny face.”
____5. Wave form that now appears to hold water; duration is longer than 0.12 seconds
____6. A term that “sees” the same area of the heart
____7. Leads I, aVF, V5 and V6
____8. “Tombstone” T wave; more than 50% of the preceding R wave
____9. Leads II, III, and aVF
____10. Leads V1 and V2
Word Bank
A.
B.
C.
D.
E.
Anterior Wall Leads
Contiguous Leads
Coved ST Segment
Hyperacute Phase
Indicative Changes
F. Inferior Leads
G. J Point
H. Lateral Leads
I. Pathologic Q Wave
J. Septal Leads
12-Lead EKG Chapter 5 Worksheet
Name _________________________________________________________ Date ________________
Select the best answer.
1. The development of abnormal Q waves provides evidence that tissue death has
occurred.
a. True
b. False
2. T wave inversion suggests
a. Delayed ventricular depolarization
b. Presence of injury
c. Presence of ischemia
3. A normal EKG does not rule out an AMI, particularly in the early hours of a coronary
artery occlusion.
a. True
b. False
4. Changes seen in the wall of the heart opposite the location of the infarction is
a. Contiguous lead changes
b. Reciprocal changes
c. NSTEMI
5. With an anterior wall MI ST segment elevation in leads ________ occurs.
a. V3 & V4
b. V1 & V2
c. V1- V6
6. With a lateral wall MI, ST segment elevation in leads ______ occurs.
a. I, aVL, aVF
b. II, III, aVF
c. I , aVL, V5 & V6
7. With an inferior wall MI, ST segment elevation in leads _____ occurs
a. I, aVL
b. V1- V6
c. II, III, aVF
12-Lead EKG Chapter 5 Worksheet
Name _________________________________________________________ Date ________________
8. With posterior wall MI, ST segment depression in leads _____ occurs.
a. V1 & V2
b. V1 – V6
c. aVL and V1
9. Reciprocal changes for an inferior MI are seen in leads
a. I, aVL
b. V1 & V2
c. II & III
10. With an anterior wall MI, the affected coronary artery is the
a. Left circumflex
b. Left anterior descending/diagonal branch
c. LAD/septal branch
11. With an inferior wall MI, the affected coronary artery is the
a. LAD
b. RCA/posterior descending branch
c. LAD/diagonal branch
12. With a lateral wall MI, the affected coronary artery is the
a. LCA
b. RCA
13. About 80% of patients with inferior infarction have some involvement of the right
ventricle
a. True
b. False
14. To “look” directly at the right ventricle, chest leads are identical to placement of the
standard chest leads except on the right side of the chest
a. True
b. False
12-Lead EKG Chapter 5 Worksheet
Name _________________________________________________________ Date ________________
15. The clinical triad of right ventricle infarction (RVI) includes
a. Hypotension, JVD, and clear lung sounds
b. Hypertension
c. Clear lung sounds and JVD
16. ST segment depression is seen with reciprocal changes as well as
a. Digitalis
b. “ischemia at a distance”
c. Movement
d. A & B
17. One exception to the “classic” pattern of indicative change is
a. Mitral stenosis
b. Apical infarction
c. Coughing and movement
18. The presence of extensive collateral circulation may cause apical infarctions only.
a. True
b. False
19. When EKG changes suggest an inferior infarction (ST segment elevation) in leads II, III or
aVF a _____ should be suspected.
a. RVI
b. LVI
c. Inferolateral MI
20. A lateral wall MI often occurs as an extension of an anterior or inferior wall MI.
a. True
b. False