Difficulty: Medium
Average Score: 64%
Full-length
When applying the leads for a 12-lead electrocardiogram, the nurse places V1 and V2 at the fourth intercostal space to the right and left of the sternum. Which of the remaining leads is placed at the fifth intercostal space on the left midclavicular line?
Correct answer
B
Rationale
Lead V4 (B) is placed at the fifth intercostal space on the left midclavicular line in a 12-lead ECG.