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1.下列心电图改变与电解质代谢异常的组合,何者是错误的?(1)P波消失—高钾血症,(2)QT间期延长——高钙血症,(3)T波增高——低钾血症,(4)Q
1. What is wrong with the following combination of changes in ECG and abnormal electrolyte metabolism? (1) disappearance of P wave - hyperkalemia, (2) prolongation of QT interval - hypercalcemia, (3) increased T wave - - hypokalemia, (4) Q.