QUESTIONS WITH SOLUTIONS
◉ Which EKG leads would you see changes in for a LAD occlusion or
anterior LV infarct? Answer: V1, V2, V3, V4
◉ Which EKG leads would you see changes in for a circumflex
occlusion or lateral LV infarct? Answer: V5, V6, I, aVL
◉ Which EKG leads would you see changes in for a low lateral LV
infarct? Answer: V5, V6
◉ Which EKG leads would you see changes in for a high lateral infarct?
Answer: I, aVL
◉ Which EKG leads would you see changes in for a RCA occlusion or
posterior LV infarct? Answer: V1, V2
◉ Which EKG leads would you see changes in for a RCA occlusion or
RV infarct? Answer: V3R, V4R
◉ What parts of the heart are supplied by the RCA? Answer: RA, RV,
SA and AV nodes, posterior LV.