If you’ve ever been to hospital and had surgery you’ll remember that as you get wheeled into the operating theatre there are a series of checks that occur. The orderly or nurse will ask your name, what procedure you are having, and whether you are allergic to anything.
Once you are under, they’ll use checklists to make sure they are doing the right operation on the right person, and to minimise the risk of leaving any surgical instruments inside you once they stitch you are (yes, it happens!). These checklists have seen large falls in mortality rates and surgical complications in hospitals around the world.
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