Mepụta ụdị nke ahịrịokwu a nke dị mgbagwoju anya Nsonaazụ nke ECG ga-egosi ọrịa obi ma nwee ike ịkọwa na ọ bụ obi onye na-eme egwuregwu site na nyocha nke ọma site n'aka onye na-ahụ maka ahụike.
N'ezie, ụdị ahịrịokwu dị mgbagwoju anya bụ "Nsonaazụ nke ECG ga-egosi ọrịa obi ma enwere ike ịkọwa ya ka ọ bụrụ obi onye na-eme egwuregwu site na nyocha nke ọma site n'aka onye na-ahụ maka ahụike nke ga-ahụkarị ọrụ systolic na diastolic nkịtị mana ga-ahụ mgbidi ventricular aka ekpe na-abawanye. "