做核磁共振(MRI)必须知道的注意事项

襄城县人民医院磁共振室

<h1 style="max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;">&nbsp; &nbsp; 随着医学科学技术的快速发展,核磁共振(MRI)检查作为一种常见的影像学检查方法,愈来愈广泛地应用于临床中。<br style="max-width: 100%; overflow-wrap: break-word !important;">&nbsp; &nbsp; 但在生活中,仍有一些患者对核磁共振检查存在诸多疑虑,认为核磁共振会产生辐射、有损健康等,对进行检查时的注意事项更是一头雾水。</h1><h1 style="max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><p style="max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"></h3></h1><h1 style="max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><br style="max-width: 100%; color: rgb(63, 62, 63); font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 14px; letter-spacing: 1.5px; text-align: justify; white-space: normal; background-color: rgb(239, 247, 246); overflow-wrap: break-word !important;"></h1> <h1>核磁共振检查安全吗?</h1><h1>磁共振检查(MRI)是磁场成像,完全没有核辐射,是非常安全的。</h1> <h1><font color="#167efb">1.做磁共振检查要注意什么?</font></h1> <h3><br></h3><h1> 2016年,上海某医院核磁共振室就曾发生惊险一幕,患者已完成检查,患者家属因心急将其从检查室内接出,偷偷把轮椅推进了检查室。由于核磁共振具有强磁性,结果轮椅飞身“亲吻”上了核磁共振机,险些造成患者伤亡。后经检修,仪器被损坏,造成巨大经济损失。</h1> <h1>  磁共振强磁场的磁力到底有多强呢?如果把扳手靠近患者所在的检查部位,它的吸引力可以达200公斤,再靠近甚至可以达500公斤。如果铁磁性的物体受到如此强大的吸引力,那么就相当于一枚高速发射的炮弹,冲击到患者所在核磁共振,后果不堪设想!因此,大型金属物体如推车、轮椅、氧气钢瓶等是绝对不能进入检查室的!</h1> <h3>患者在进入检查室之前,也一定要配合去除如手机、磁卡、手表、硬币、钥匙、打火机、发卡、金属项链、假牙、内衣、金属纽扣等铁磁性金属及电子产品,以避免金属物品被吸进核磁共振机或消磁,导致意外发生。</h3><h3><br></h3><h1><br></h1> <h3><br></h3><h1><font color="#167efb">2.哪些人不适合做核磁共振检查?</font></h1><p style="max-width: 100%; clear: both; min-height: 1em; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 16px; letter-spacing: 0.5984px; text-align: justify; white-space: normal; overflow-wrap: break-word !important;">&nbsp;&nbsp;<span style="max-width: 100%; letter-spacing: 1px; overflow-wrap: break-word !important;">由于在磁共振检查室区域存在非常强大的磁场,因此,下列人群不适宜进行MRI检查:</span></h3><section class="" data-style="margin: 20px 0;font-size:16px;color:rgb(51,51,51);" style="padding: 10px; max-width: 100%; color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 16px; letter-spacing: 0.5984px; text-align: justify; white-space: normal; background-image: url(&quot;https://mmbiz.qpic.cn/mmbiz_png/QfudqemMdmiaAfq970BdZ5qmB1WicDVRgM6x98JxYDeBSB3ibbJG4hXpQDtVUqwibfWw19vnBVxiaiareg12lxXA4fQQ/640?wx_fmt=png&quot;); background-position: 50% 50%; background-repeat: repeat; overflow-wrap: break-word !important;"><p style="max-width: 100%; clear: both; min-height: 1em; text-indent: 32px; overflow-wrap: break-word !important;"><br style="max-width: 100%; overflow-wrap: break-word !important;"></h3><p style="max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="max-width: 100%; letter-spacing: 1px; overflow-wrap: break-word !important;">&nbsp; &nbsp; ①<span style="max-width: 100%; font-stretch: normal; font-size: 9px; line-height: normal; overflow-wrap: break-word !important;">&nbsp;</span><strong style="max-width: 100%; overflow-wrap: break-word !important;">体内有金属植入物</strong>,如装有<strong style="max-width: 100%; overflow-wrap: break-word !important;">心脏起搏器</strong><strong style="max-width: 100%; overflow-wrap: break-word !important;">、</strong><strong style="max-width: 100%; overflow-wrap: break-word !important;">人工瓣膜、金属内固定物、义眼、人工耳蜗、胰岛素泵</strong><strong style="max-width: 100%; overflow-wrap: break-word !important;">及重要器官旁有金属异物残留的</strong>,严禁做此检查(除非植入物说明书上特别注明<span style="max-width: 100%; color: rgb(76, 76, 76); overflow-wrap: break-word !important;">该材质</span>可接受MRI检查)。&nbsp; &nbsp;&nbsp;</span></h3><h1 style="max-width: 100%; clear: both; min-height: 1em; overflow-wrap: break-word !important;"><span style="max-width: 100%; letter-spacing: 1px; overflow-wrap: break-word !important;">② 妊娠3个月内、有生命危险病情或病情不稳定的危重病人及严重幽闭恐惧症者禁做MRI。</span></h1></section> <h1><font color="#167efb">3.检查前最好不要化妆</font></h1><h3><font color="#167efb"></font></h3><h1><span style="color: rgb(51, 51, 51); font-family: -apple-system-font, BlinkMacSystemFont, &quot;Helvetica Neue&quot;, &quot;PingFang SC&quot;, &quot;Hiragino Sans GB&quot;, &quot;Microsoft YaHei UI&quot;, &quot;Microsoft YaHei&quot;, Arial, sans-serif; font-size: 16px; letter-spacing: 0.5984px; text-align: justify; text-indent: 32px; white-space: normal;">进行MRI检查前,最好不要化妆。这是因为,有些化妆品中含有金属,可能会与磁场发生反应。</span></h1>