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誤診原因及與急性心肌梗死的鑒別：3例患者都有心肌缺血的癥狀、ST段抬高或Q波等ECG改變，并且心肌標記物也是升高的，極易誤診為急性心肌梗死。近幾年來隨著對本病的認識，統(tǒng)計發(fā)現(xiàn)該病約占以急性心肌梗死收住院的2%。但前者多見于有應(yīng)激史的老年女性，心肌標記物僅輕到中度升高峰值多在24 h內(nèi)，并且與室壁運動異常的程度及ECG提示的病變范圍不符合。冠狀動脈造影示梗死相關(guān)冠脈血流通暢有助于早期確診。除此之外ECG亦有差異，前者ST段的抬高是暫時性的，胸前導(dǎo)聯(lián)的ST段抬高的幅度要低于前壁心梗且較少出現(xiàn)對應(yīng)導(dǎo)聯(lián)ST 段壓低[11]，且V4～V6 導(dǎo)聯(lián)ST 段抬高幅度大于V1～V3 導(dǎo)聯(lián)，但單純ECG差異尚不能作為確診條件�？傊瑧�(yīng)激性心肌病極易誤診為急性心肌梗死，二者治療截然不同，作為接診的臨床醫(yī)師應(yīng)該提高警惕。尤其是有明顯應(yīng)激因素的老年女性，出現(xiàn)胸前導(dǎo)聯(lián)ST段抬高、心肌缺血癥狀，不要急于診斷，如果心肌標志物輕到中度升高與ECG提示的病變范圍不符時，要及時行床旁超聲心動及冠狀動脈造影除外此病。
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