Methods The direct PTCA and follow-up on 76 Q-wave type AMI patients were performed.
方法：对76例急性Q波型心肌梗塞患者行直接PTCA治疗并随访。
2
End point was cardiac death, non-Q-wave myocardial infarction (NQMI) and refractory angina (ra).
心性死亡、非q波心肌梗死(NQMI)，顽固性心绞痛(RA)。
3
For a heart attack that might have occurred in the past, doctors look for changes on an electrocardiogram called a Q-wave, a marker for damaged tissue.