1 高镁血症心电图主要表现( 1)p - r 间期延长; ( 2) qrs 波群增宽
osmosis医学低钙血症hypocalcemia双语字幕
12s qt -- 0.40 (if prolonged= hypocalcemia)
医学英语day27
钙代谢紊乱:低钙血症
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