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医检结果，阴性或阳性？到底怎么分辨？

阴性（negative）在医检中，一般来说是代表正常，而阳性（positive）则代表有病或者检出病毒。阴性和阳性在医学上是常用的一种术语。

除此之外，还有原本检出“阴性”后，又U转成“阳性”的状况，相反来说，“阳性”变“阴性”也是有的。

以上的情况，也可称为“假阴性”或“假阳性”。

假阳性（false positive）是指，因为种种原因把不具“阳性”症状的人，检测出“阳性：的结果。结果就是，没病的检查成有病，假阳性检测结果易造成误诊，

另一边厢，假阴性（false negative）则是将有病的检查为没病，假阴性结果导致漏诊。