Biology, 05.07.2019 12:00, rntaran2002

Doctors often use an electrocardiogram (ekg) reading to see if there is something wrong with how a person's heart is beating. an ekg is a type of graph that "draws" the pumping activity of the heart. how might graphing the heartbeat a doctor to tell if there is a problem?

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Doctors often use an electrocardiogram (ekg) reading to see if there is something wrong with how a p...