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10. Understand that cardiac muscle is myogenic and describe the normal electrical activity of the heart,
including the roles of the sinoatrial node (SAN), the atrioventricular node (AVN) and the bundle of His, and how
the use of electrocardiograms (ECGs) can aid the diagnosis of cardiovascular disease (CVD) and other…

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Measuring electrical activity

Electrocardiogram (ECG) can be used to measure the electrical activity of the heart by displaying a
graphic record of the electrical activity during the cardiac cycle
It is carried out by attaching electrodes to a person's chest and limbs to record electrical currents
produces during the cardiac…

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