What measurement on the ECG tracing represents how long it takes for the current to travel through the ventricular myocardial tissue?
A)PR interval
B)QRS duration
C)P-P interval
D)R-R interval

Question

Quizplus · Accepted Answer

The QRS duration represents the time it takes for the electrical impulse to travel through the ventricular myocardial tissue. The PR interval represents the time from the start of atrial depolarization to the start of ventricular depolarization. The P-P interval represents the time between successive atrial depolarizations. The R-R interval represents the time between successive ventricular depolarizations.

What Measurement on the ECG Tracing Represents How Long It