Amplitude
Light Sound and Waves

Electrocardiograms

Classroom Activity for 14-16 IOP RESOURCES

Electrocardiograms (ECGs) record the activity of the heart through electrodes placed on the patient’s skin.

Electrocardiogram

Cardiological contraction is caused by changes in electrical potential in the hearts muscle cells; electrical activity that the body conducts to its surface. Although it is altered by the intervening tissue, the resulting signal at the skin accurately reflects the cardiological cycle and can be used to identify any anatomical and physiological anomalies in a completely non-invasive manner.

Resources

Amplitude
appears in the relation E ∝ A^2
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