Electrocardiography in kolkata

Electrocardiography also known as ECG is the process of recording a graph of voltage versus time of the electrical activity of the heart using electrodes placed on the skin. The electrodes help in determining the small electrical changes which result from the cardiac muscle depolarization followed by repolarization during each cardiac cycle.
Avail the best ECG services from Calcutta Heart Research Centre, one of the leading diagnostic centre in kolkata.