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→The ECG electrodes
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==The ECG electrodes== | ==The ECG electrodes== | ||
{{multiple image | |||
| align = right | |||
| direction = vertical | |||
| width = 200 | |||
| image1 = limb_leads.png | |||
| caption1 = The limb leads | |||
| image2 = chest_leads.png | |||
| caption2 = The chest leads | |||
}} | |||
Electrical activity going through the heart can be measured by external (skin)electrodes. The electrocardiogram (ECG) registers these activities from electrodes which have been attached onto different places on the body. In total, twelve leads are calculated using ten electrodes. | Electrical activity going through the heart can be measured by external (skin)electrodes. The electrocardiogram (ECG) registers these activities from electrodes which have been attached onto different places on the body. In total, twelve leads are calculated using ten electrodes. | ||