A combination of the Q wave, R wave and S wave, the “QRS complex” represents ventricular depolarization. This term can be confusing, as not all ECG leads contain all three of these waves ...

An electrocardiogram is a picture of the electrical conduction of the heart. By examining changes ... The main part of an ECG contains a P wave, QRS complex and T wave. Each will be explained ...

Convex (‘domed’) ST segment elevation combined with T wave inversion in leads V1–V4 in black/African athletes ... and the QRS complex usually narrow unless the baseline QRS has a bundle branch block.

The resting electrocardiogram (ECG) furnishes essential information for the diagnosis, management, and prognostic evaluation of patients with congestive heart ... QRS complexes, P-waves, and T ...