what is ECG.? explain the wave PQRST by making a well labelled diagram Share with your friends Share 0 Jahirul Mazumder answered this Please refer the link: https://www.meritnation.com/ask-answer/question/draw-a-standard-ecg-and-explain-the-different-segments-in/body-fluids-and-circulation/6329899 -1 View Full Answer