ECG Sharp Exam Review (Questions)
Study online at https://quizlet.com/_fgoi3w
1. Layers of heart epicardium, myocardium, endocardium
2. Electrical ions responsible for depolarization Sodium, calcium, and potassium
and repolarization of the heart
3. Negative Deflection the downward presentation of wave-
forms on the EKG tracing that is located
below the isoelectric line
4. Postive Deflection the portion of waveforms in an EKG trac-
ing located above the isoelectric line
5. Biphasic Deflection both positive and negative
6. St Elevation indicates myocardial infarction (STEMI)
7. ST Depression myocardial ischemia
8. How much is one box on the ECG 0.04 sec
9. SA Node pacemaker of the heart
10. AV Node relays electrical impulses from atria into
ventricles
11. Purkinje fibers
1/2
Study online at https://quizlet.com/_fgoi3w
1. Layers of heart epicardium, myocardium, endocardium
2. Electrical ions responsible for depolarization Sodium, calcium, and potassium
and repolarization of the heart
3. Negative Deflection the downward presentation of wave-
forms on the EKG tracing that is located
below the isoelectric line
4. Postive Deflection the portion of waveforms in an EKG trac-
ing located above the isoelectric line
5. Biphasic Deflection both positive and negative
6. St Elevation indicates myocardial infarction (STEMI)
7. ST Depression myocardial ischemia
8. How much is one box on the ECG 0.04 sec
9. SA Node pacemaker of the heart
10. AV Node relays electrical impulses from atria into
ventricles
11. Purkinje fibers
1/2
