EKG第 72 / 100 题
When applying limb electrodes for a 12-lead EKG, where should they generally be placed?
a.On the chest near the heart
b.Over bony areas like the wrist bone and ankle bone
c.On the fingertips and toes
d.On fleshy, muscular areas of the arms and legs, avoiding bony prominences
解析
Limb electrodes are placed on fleshy areas of the arms and legs, avoiding bony prominences and large muscles to reduce artifact. They are positioned symmetrically on both sides for accuracy. Placing electrodes over bone or on the torso can distort the tracing.
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