ECG is a graphical representation of the electrical activity of the heart during a cardiac cycle.\

Question

ECG is a graphical representation of the electrical activity of the heart during a cardiac cycle.\ Refer to the given ECG and answer the following question.\ Select the incorrect statement about point $Y$ in the given ECG.\

Professor PC Thomas Classes · Answer

(d) : The point $Y$ in the given ECG represents QRS complex. It represents the depolarisation of ventricles which initiates the ventricular contraction. The end of T-wave (point Z) marks the end of systole.