Unformatted text preview: event) to the ______________ cells. The resulting mechanical events cause a heartbeat. 5. A tracing of the electrical activity of the heart is called a/an ________________. 6. What do the following wave forms reflect? a. P wave _______________________ b. QRS complex _______________________ c. T wave _______________________ 7. In a normal ECG wave tracing, atrial repolarization is hidden by ___________________. 8. Note: Electrical events lead to mechanical events. For example, the P wave represents ____________ depolarization, which leads to atrial _____________. 9. A left bundle branch block would have a wider than normal wave for the ____________. (Quiz section) 10. An abnormally fast heart rate (over 100 beats per minute) is called: ______________. (Quiz section)...
View Full Document
- Spring '08
- Physiology, Cardiac electrophysiology, Electrical conduction system of the heart, Cardiac pacemaker, Bundle of His, intrinsic conduction