ECG Library


Infarcts and Ischemia ECG 22

  1. Normal sinus rhythm
  2. Hyperacute T waves consistent with myocardial infarction

This patient had acute chest pains and a normal potassium level. Subsequently, anterior ST elevation developed. Hyperacute T waves are the very first sign of a myocardial infarction, however are frequently missed on the ECG since they are only transient during the first few minutes of the infarction. Hyperacute T waves tend to be a bit more symmetric and broad at the top than those "peaked" T waves seen in hyperkalemia, although this is difficult to distinguish at times.

Related Topic Reviews: Anterior MI ECG Review