Biology · Human Physiology
Which of the following ECG leads is placed at the 5th intercostal space at the midclavicular line, and what is the standard duration represented by one large square on ECG graph paper?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1V1 and 0.50 sec
- 2V6 and 0.04 sec
- 3V4 and 0.20 sec✓
- 4V2 and 0.10 sec
Correct answer
V4 and 0.20 sec
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