Thousands of people wake up in operations every year. Doctors say this is bad. It happens once in every 19,000 operations. Drugs make people quiet so they cannot move. They cannot speak. They cannot tell the doctor they are awake. Those people feel afraid when they wake up in operation. They sometimes become very worried.
Researchers looked at three million operations. They find 64 ways to make operations safer. They wanted fewer accidents. They said doctors should use a checklist before each operation. Doctors will check whether the patient has the right drugs. A monitor can tell doctors if a patient wakes up.
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