Where Would You Place the Electrode If You Were Going

Where would you place the electrode if you were going to attach the V₁ lead to it?

A) Right sternal border, fourth intercostal space on the right thorax
B) Fifth intercostal space, midclavicular line of the left thorax
C) Left leg, just proximal to the medial malleolus
D) Lateral to V₅, on the left midaxillary line