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无临床佐证的22例患者心率增快时出现的肺型(?)波,口服20mg心得安2n后,21例肺型P波消失,心电图恢复正常,仅1例肺型P波存在,两者有显著差异(P<0.01)。
Twenty-two cases of pulmonary P wave disappeared and electrocardiogram returned to normal, only one case of pulmonary P-wave was found in 22 patients without clinical evidence of pulmonary heart disease. There was a significant difference (P <0.01).