Low HEART score. Acute LAD occlusion. Detected only by analysis of subtle ECG.

A completely healthy 39 year old woman with no cardiac risk factors had sudden onset of bilateral trapezius pain that radiated around to her throat.  It resolved after about 5 minutes, but then recurred and was sustained for over an hour.  She called 911. EMS recorded these ECGs:Time 0:In V2-V4, ...