Question

Which of the following is the diagrammatic representation of standard electrocardiogram (ECG) ?

Answer 1

The diagrammatic representation of a standard ECG is shown below. A typical human electrocardiogram has five waves – P, Q, R, S, and T. The P, R, and T waves are above the base line and are known as positive waves. The Q and S waves are below the base line and are known as negative waves.