When a person suffres from chest pain the doctor immediateley takes an ecg get information about ecg?
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ecg - electrocardiogram
:- it is a test that measures electrical activity of the heart with each heartbeat.
with each beat an electrical impulse/wave travels through the heart , that causes the contraction of the cardiac muscles ,which lead to the contraction of the heart ventricles , pumping the blood out to the body
The ecg detects the above impulse/wave and displays it on a screen for easy observation
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