department of cardiac surgery的用法和样例：
例句
- Intensie insulin therapy during cardiac surgery does not reduce peri-operatie death or morbidity, conclude US researchers.
美国研究人员得出结论，心脏外科手术期间强化胰岛素治疗不会降低手术期间的死亡率或发病率。 - The cardiac surgeon performed a successful life-saving heart operation on the patient.
这位心脏外科医生给这个病人做了一个成功的挽救生命的心脏手术。
