Lead placement for right-sided ECG

Right-sided (V1R to V6R) chest lead placements are mirror the traditional chest lead placements (V1 to V6). Specific positions for right-sided leads are as follows: V1R, 4^th intercostal space at the left sternal border; V2R, 4^th intercostal space at the right sternal border; V3R, midway between V2R and V4R; V4R, 5^th intercostal space in the right midclavicular line; V5R, in the horizontal plane of V4R at the right anterior axillary line (or if the anterior axillary line is ambiguous, midway between V4R and V6R); and V6R in the horizontal plane of V4R at the right midaxillary line. Of note, V1R is the same as the standard V2 lead placement, and V2R is the same as the standard V1 lead placement.