A medical assistant should place the patient in a supine position when preparing to perform a 12-lead EKG in the office.
When preparing to perform a 12-lead EKG in the office, a medical assistant should place the patient in a supine position. The ECG uses 10 electrodes placed on the skin, with six on the chest and four on the limbs. The voltage difference between the electrodes provides valuable information about the heart's electrical activity.
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