常見于無(wú)明顯器質(zhì)性心臟患者。特點(diǎn)為突然發(fā)作,突然停止,大多心律絕對(duì)規(guī)則,心率可達(dá)160~220次/分,持續(xù)數(shù)秒,數(shù)小時(shí)或數(shù)日,刺激迷走神經(jīng)或按摩頸動(dòng)脈竇可使發(fā)作突然中止?;颊呖筛行募隆㈩^暈、胸悶、氣憋、心絞痛、呼吸困難、暈厥等。聽診心律整齊,心音強(qiáng)度一致。(實(shí)習(xí)編輯:王凌)
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