What does an ECG measure? | vedclass

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Question

(B) An $ECG$ (Electrocardiograph) is an instrument used to obtain an electrocardiogram,which is a graphical representation of the electrical activity

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Electrical activity of the heart

Vedclass · Answer

(B) An $ECG$ (Electrocardiograph) is an instrument used to obtain an electrocardiogram,which is a graphical representation of the electrical activity of the heart during a cardiac cycle.It records the electrical impulses generated by the heart's conduction system,which causes the contraction and relaxation of the cardiac muscles.Therefore,it measures the electrical changes occurring in the heart.

What does an $ECG$ measure?

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