coronary arteriography

例句：

1. 1. Coronary arteriography is a procedure that uses X-rays to visualize the blood vessels in the heart.
   冠状动脉造影术是一种使用X光来可视化心脏血管的手术。
2. 2. During the procedure, the patient's heart is exposed to radiation and contrast agents to create detailed images of the coronary arteries.
   在手术过程中，患者心脏暴露于辐射和对比剂中，以创建冠状动脉的详细图像。
3. 3. This test is often used to diagnose coronary artery disease, which can lead to heart attacks if left untreated.
   这种测试通常用于诊断冠状动脉疾病，如果不进行治疗，可能会导致心脏病发作。