The leads V4-V6 are removed and substituted for V7-V9 as shown below. On most EKg machines, the labels areno automatically changed so it is important to cross out the labels for V4-V6 and write in V7-V9. It is also helpful for future clinicians, if you note in your read that it is a posterior ECG.
[…] with ST-elevation suggested in V5 and clearly seen in V6. This is consistent with a posterior MI. A posterior ECG was obtained about 5 minutes […]
[…] Credit: http://resusreview.com/2013/lead-placement-for-posterior-ecg/ […]