摘要
<正>1临床资料患者13岁女童,4年前起间断出现活动后或静息下胸痛、胸闷,多于日间上课及夜间写作业期间发作,为闷痛,心前区为著,持续数秒不等,可自行缓解,限制活动量后症状无明显改善,未予诊治,4年来症状性质无明显变化。1个月前患者胸痛较前加重,发作时可持续数分钟至1小时不等,不伴发热、
引文
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