Description: A very nice animation showing how the electrocardiogram varies at different stages of electrical stimulation in the heart by the sinoatrial node (SAN) and also the different stages of the pumping of the heart with respect to the ECG. It is an interactive animation so feel free to play with the play, pause, rewind button and then press the step forward button to move ahead frame by frame to get a better view.
Size: 74 Kb
Time: variable (as it is interactive)