纪录片《手术二百年》 第9期 打开心脏（1）（在线收听）

Episode 5 Opening the Heart (Part 1)

Today, treating a complex heart abnormality is no longer an impossible task for doctors. But just 70 years ago, not even one heart surgery had been performed. The speed of development in this field has therefore been astonishing.

第5集 打开心脏

　　心脏是现代外科领域内最晚才被打开的器官。作为人体的发动机，不停地跳动和充沛的血液让外科医生无法打开心脏做手术。为了安全地打开心脏做手术，人类贡献出超凡的智慧和勇气。