Classification of electrocardiogram changes of healthy man in rest and during physical activities

The opening of electrocardiography (or electrocardiogram) brought a revolutionary situation in heart research. It is an objective method which by simple imposing of electrodes on a body surface without introduction into the internal environment (without serious consequences) of an organism reflects exchange processes in a myocardium at cellular level with exact temporary parameters and quantitative (amplitude) characteristics. «Classification of electrocardiogram changes of healthy man in rest and during physical activities» gives the chance to estimate effectively the impact on an organism by muscular load and to manage the training of athletes