Q wave myocardial infarction refers to myocardial infarctions that in a Q wave forming on the 12-lead ECG once the infarction is completed. It was once believed that the development of Q waves ...

Fourteen studies and two case series were found describing ST-segment abnormalities and/or significant Q-waves in association ... cocaine use with myocardial ischemia and infarction.

A combination of the Q wave, R wave and S wave, the “QRS complex” represents ventricular depolarization. This term can be confusing, as not all ECG leads contain all three of these waves ...