Welcome to the 12-Lead ECG Questions for Independent Study Quiz.
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Question 1 of 20
1. Question
Which of the following best describes “axis”?
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Question 2 of 20
2. Question
When doing “quick and dirty” for axis interpretation, which leads are used?
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Question 3 of 20
3. Question
The QRS complex may be prolonged when ventricular hypertrophy or a conduction defect is present. When viewing a single ECG lead, what should a wide QRS complex be called?
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Question 4 of 20
4. Question
Which of the following describes the leads used to determine bundle branch block and the proper sequence to use when interpreting a 12-lead ECG?
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Question 5 of 20
5. Question
Which conduction defect has a triphasic complex in V1
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Question 6 of 20
6. Question
Which conduction defect has a monophasic complex in V1?
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Question 7 of 20
7. Question
A conduction defect can occur in one of the fascicles of the right bundle. Left axis deviation and a Q wave in lead I and an S wave in lead III is seen in which of the following?
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Question 8 of 20
8. Question
Which of the following is considered an unstable pattern in a patient with an acute myocardial infarction which may potentially need a pacemaker?
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Question 9 of 20
9. Question
The ST segment is measured from which area?
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Question 10 of 20
10. Question
The isoelectric line is measured from which area?
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Question 11 of 20
11. Question
Which of the following indicates active ischemia?
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Question 12 of 20
12. Question
Which of the following is most often associated with right ventricular myocardial infarction?
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Question 13 of 20
13. Question
When a patient presents with chest pain, an ECG is completed. Using systematic interpretation, the rhythm is determined, the axis is identified and which of the following would be evaluated for next in a patient with chest pain?
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Question 14 of 20
14. Question
Which of the following types of myocardial infarction may be confused for pericarditis because of the extensive ST segment elevation present in most leads of the ECG?
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Question 15 of 20
15. Question
Atrial enlargement can occur in valvular heart disease, hypertension, heart failure and pulmonary hypertension. Which of the following is affected on the ECG when atrial enlargement is present?
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Question 16 of 20
16. Question
Tall, peaked T waves and wide QRS complexes are associated with which of the following conditions?
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Question 17 of 20
17. Question
Which condition would present with diffuse ST segment elevation, notching at the end of the QRS complex and (possibly) PR segment depression?
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Question 18 of 20
18. Question
In which condition would you see small QRS complexes and (possibly) electrical alternans?
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Question 19 of 20
19. Question
Which of the following best describes electrical alternans?
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Question 20 of 20
20. Question
In which condition, could you possibly see very broad T waves?
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