One chemistry control result exceeds the mean by more than 3… | 마이메르시 MyMerci
Laboratory Operations · 검사실 운영
문제
One chemistry control result exceeds the mean by more than 3 standard deviations. Under the Westgard 1_3s rule, what is the appropriate interpretation?
1Accept the run because only one control is affected
2Automatically widen the control limits
3Report patients first and repeat the control tomorrow
4Reject the run and investigate before reporting patient results✓ 정답
해설
A control result outside a 3 SD limit violates the 1_3s rejection rule. Patient reporting should be held while the analytical process is investigated and acceptable control is restored.
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