Meaning Of V1 V2 V3 In Ecg. Lead v5 only notes vectors heading towards the. Lead v1 might therefore display a biphasic diphasic p wave meaning that the greater portion of the p wave is positive but the terminal portion is slightly negative the vector generated by left atrial activation heads away from v1.
Lead iii inferior territory. The ecg should be marked as a right sided ecg. When there is st segment elevation in leads v1 v4 we often simply say lad occlusion.
Lead ii inferior territory.
The anterior leads v3 and v4 view the anterior wall of the left ventricle. When the ecg was repeated with v1 and v2 in 4th intercostal space figure 3b the irbbb pattern resolved. Avf inferior territory remember. When there is st segment elevation in leads v1 v4 we often simply say lad occlusion.
