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老年高钾血症应该做哪些检查?

2019-03-27 阅读量:1124次
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老年高钾血症的检查通常包括血液检查、尿液检查、肾功能及心电图检查,其具体检查方法如下所述。

1、常用血化验指标

血清钾浓度升高,大于5.5mmol/L,血pH值在正常低限或小于7.35,钠离子浓度在正常高限或高于145mmol/L。

2、常用尿化验指标

尿钾浓度和尿钾排出量增加,尿偏碱,尿钠排出量减少。

3、肾功能检查

有助于了解肾功能状况。

4、心电图检查

血清钾增高达到6mmol/L以上时,部分患者可能出现心电图的改变。血清钾达到8mmol/L时,较多患者可能出现心电图改变。血清钾达(8~10)mmol/L时可能出现严重的心律失常。高钾血症可能伴随的心电图表现包括T波高耸,QT间期缩短,严重时P波消失、QRS波增宽,进一步S-T段与T波融合,T波增宽,与QRS波共同形成双相波浪形。

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2019-03-27

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