A patient you are caring for has had an ECG ordered. What do you need to do prior to electrode placement?
A) Clean the skin with providone-iodine solution prior to applying the electrodes
B) Ensure that the area for electrode placement is dry
C) Apply tincture of benzoin to the electrode sites and wait for it to become "tacky"
D) Abrade the skin by rubbing the electrode sites briskly with a rough surface such as a clean dry gauze/washcloth
Ans: D
Feedback: An ECG is obtained by slightly abrading the skin with a clean dry gauze pad and placing electrodes on the body at specific areas. The abrading of skin will enhance signal transmission.
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