Chan&Newbigging-Figure-S1-ecg Posted on March 27, 2017March 27, 2017 by POCUS Journal Next → Figure S1. Initial ECG showing a normal sinus rhythm. Normal axis. Mildly prolonged QTc at 462 ms. Q waves are present in the right precordial leads (V1-V3). 0.5 mm of ST elevation in aVL.