never event
短语词形变化
释义与例句
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1.
A bad event that should never occur.
The safety systems engineer examined records of never events across several industries, including health care, air traffic control, and nuclear power.
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2.
A bad event that should never occur.
A serious adverse medical event that should never occur and thus is, by strict definitions of preventability, always preventable, being unambiguous, clearly identifiable and measurable, and resulting in death or significant disability.
Wrong-site surgery is a never event because it is always preventable when adequate double checks and crosschecks are enforced.
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3.
A bad event that should never occur.
A serious adverse medical event that should never occur and thus is, by strict definitions of preventability, always preventable, being unambiguous, clearly identifiable and measurable, and resulting in death or significant disability.
A particularly shocking preventable medical error that should never occur.
词源
The strictest sense, referring to a particularly shocking medical error that should never happen, was the original sense of a never event (circa 2001), although a nuclear power industry publication from the 1980s mentioned a "once-in-a-never event", a collocation playing on such predecessors as once-in-a-blue-moon event and once-in-a-lifetime event.
来源：wiktionary