Safety and Infection ControlQuestion 775 of 2368
The nurse is applying chest leads for a 12-lead ECG. Where should the nurse place lead V4?
- Fourth intercostal space at the left sternal border
- Fourth intercostal space at the right sternal border
- Fifth intercostal space at the midclavicular line
- Mid-axillary line at the level of V4
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Correct answer: Fifth intercostal space at the midclavicular line
V4 is placed in the fifth intercostal space at the midclavicular line.
Source: Nursing Advanced Skills (Open RN, Chippewa Valley Technical College, 2023), Interpret Basic ECG: CHECKLIST: OBTAIN A 12-LEAD ECG. Licensed under CC BY 4.0.
Practice the topic "Safety and Infection Control"Questions last reviewed: 18 October 2026