题目内容
符合低钾血症的心电图表现是
2021-12-30
A.QT时间缩短，T波高尖，呈“帐篷状”T波
B.QRS波变窄，幅度下降，P波形态逐渐消失
C.ST段压低，T波低平或倒置
D.U波降低，或T、U波融合
E.ST段弓背向上抬髙
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