大象传媒

5 live has been following the story of heart transplant patient Stephen Halsey, who received a life-saving operation at Queen Elizabeth Hospital in Birmingham.

Chris Warburton was in the theatre at the time of recording, where consultant surgeon Neil Howell showed him the procedure step-by-step.

鈥淲hen it goes well it鈥檚 the best operation in the world,鈥� Neil Howell says. 鈥淲hen it doesn鈥檛 it鈥檚 the worst operation in the world. This man cannot live without a heart.鈥�

The following audio contains some of the key moments of the surgery: from the moment the new heart arrives, to Stephen's chest cavity being stitched up.

This clip is originally from 5 live Heart Transplant Day on Tuesday 2 June 2015.