Electrocardiograms (ECGs) are devices that record the heart's activity.They use patches attached to the body to measure the electrical signals from the heart.
These signals change depending on the heart's condition and are shown as graphs on paper.
ECG waveforms appear regularly in healthy people.
Electrocardiograms (ECGs) are devices that record the heart's activity.
They use patches attached to the body to measure the electrical signals from the heart.
These signals change depending on the heart's condition and are shown as graphs on paper.
ECG waveforms appear regularly in healthy people.