EKG(Part 2): Lesson 12 -Waveform Symmetry, Direction and Amplitude
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10 Terms
Which statement represents the electrical movement from the AV node through the bundle branches and throughout the Purkinje fibers, causing the ventricles to contract?
QRS complex
What is the normal time of the QRS complex?
0.06–0.12 seconds
Which interval represents the total time from the start of atrial depolarization to the start of ventricular depolarization?
PR interval
The EKG tech is asked to calculate the heart rate using the EKG strip. Which interval will the tech use?
R-R interval
Which interval will the EKG tech use to determine the regularity of heartbeats?
R-R interval
Which segment represents the electrical activity moving through the AV node?
PR segment
Which complex, interval, or segment is the arrow pointing to?
ST segment
Which deviation is shown in the EKG strip?
ST elevation
The electrical impulse through the AV node is represented by which segment?
PR segment
Which interval, complex, or segment is circled in the EKG?
QRS complex
Note 
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