The ventricular origin of the heart beat is represented by
-
the QT interval
-
the PR interval
-
the QRS
-
the ST segment
-
the T wave inversion
C
Correct answer
Explanation
The QRS complex is one of the components of a typical electrocardiogram (ECG) tracing of a complete cardiac cycle, normally occuring after the P wave. A wide and misshapen QRS may reflect bundle branch block or ventricular origin of the heart beat.