Q. In an ECG, the depolarization of atria is indicated by

 130  176 NTA AbhyasNTA Abhyas 2022Body Fluids and Circulation Report Error

Solution:

ECG is the graphical recording of electrical changes that accompany the cardiac cycle. It is represented by five waves - P, Q, R, S, and T. P-wave indicates depolarization of atria, QRS complex indicates ventricular depolarization, while T-wave indicates ventricular repolarization.