So your patient’s ECG is pretty much ‘normal’, but there’s something not quite right about the look of those T-waves ?
You may well be onto the first, subtle signs that your patient is at the start of their infarct, before S-T segment elevation becomes obvious.
You’ll be doing them a favour by checking out this great post by Justin Bright at EM Docs that steps you through 4 causes of abnormal T-waves;