EKG AcquisitionQuestion 36 of 100

Where is the V1 electrode placed for a 12-lead EKG?

a.Fifth intercostal space, left midclavicular line
b.Fourth intercostal space, left sternal border
c.Fifth intercostal space, right sternal border
d.Fourth intercostal space, right sternal border

Explanation

V1 sits in the fourth intercostal space at the right sternal border, and it is located by walking down from the sternal angle to the second rib, then counting the second, third, and fourth spaces. The fourth space at the left sternal border is V2. The fifth space at the left midclavicular line is V4, and there is no standard chest lead at the fifth space on the right sternal border.

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