Blood and Guts: A History of Surgery
       
      Blood and Guts: A History of Surgery
      Bleeding Hearts (1x2)
      
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      With a family history of heart problems, presenter Michael Mosley takes a personal interest in these pioneers, who teetered on the scalpel-edge between saviour and executioner. Michael has a go at heart surgery, meets a man with no heartbeat and witnesses an operation where the patient is cooled until their brain stops and has all of their blood sucked out.