... and Figure 50). P1: OTE/SPH P2: OTEBLUK 096 -Bayes de Luna June 7, 2007 21:24138 Self-assessmentAnswer to Case 9 Comment. The 12-lead ECG and the orthogonal ECG (X, Y, Z, similar to I, VF and ... anteriorly and upwards and, therefore, generates an ST-segment el-evation in leads V1–V2 to V4–V5 and an ST-segment depression in leads II,III and VF (see Figure 58). The fact that an ST-segment ... theanteroseptal wall (ST-segment elevation in leads V1 through V5 and in VR and VL) and an evident ST-segment depression that is apparent in leads II, III, VF and V6. Give your comments, and your opinion,...