The coronary peak velocity(CPV)and the velocity time integral(VTI)in left anterior descending arterial flow were measured during dipyridamole induced hyperemia under control conditions and each grade of acute AR.
英
美
- 記錄各返流程度的舒張期血流速度峰值 ( CPV)、加速時(shí)間 ( AT)、減速時(shí)間 ( DT)和全心動(dòng)周期的速度時(shí)間積分 ( VTI)及動(dòng)脈舒張壓 ( DBP)。 然后在各種狀態(tài)下經(jīng)股靜脈勻速推注潘生丁 ( 2 .；0 mg/kg)；2分鐘推完；記錄各組每分鐘冠脈血流的 CPV和 VTI;
