He's held 11,000 hearts in his hands ❤️

World renowned heart surgeon Professor Steve Westaby opens up about the real heartaches of his challenging job in memoir Fragile Lives, which documents his progression from a young and ambitious doctor to leading surgical pioneer and teacher.

Watch as Professor Westaby is reunited with 18-year-old Kirsty Collier, whom he saved when she was just six months old, as he explains why her case has led to a breakthrough in cardiology.