Question

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Answer 1

Answer:

it is option 2 on to each wrist and left ankle

Explanation:

ECG (Electrocardiography) is the process of recording the electrical activity of the heart over a period of time using electrodes placed over the skin.

The ECG machine consists of electrodes which are connected to the patient's body to a predetermined location of the body that is on the chest, arms, and legs. So, the correct option is 'one to each wrist and to the left chest region.