precordial scanning

例句：

1. 1.He had a precordial pain that made him unable to move.
   他感到胸痛，以至于无法移动。
2. 2. The doctor diagnosed him with angina pectoris and prescribed medication.
   医生诊断出他患有心绞痛，并开了药。
3. 3. During his recovery, he was advised to avoid strenuous exercise for several weeks.
   在他恢复期间，他被建议在接下来的几周内避免剧烈运动。