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nst检查的项目包含哪些?这些项目的检查目的是什么?
NST 检查,全称为无应激试验(Non-Stress Test),是评估胎儿在子宫内状况的重要检查手段之一。 NST 检查通常包含以下几个主要项目: 1. 胎心率监测:这是 NST 检查的核心项目。通过持续一段时间(一般为 20 - 40 分钟)记录胎儿的心跳频率和变化规律。正常情况下 ...
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