英文原文:
ECG Characteristics of HCM
The ECG is abnormal in 90% of symptomatic patients and is characterized in the following list.
1. LVH by voltage criteria.
2. Marked ST-T wave abnormalities and T-wave inversion in lateral precordial leads (coved ST-segment elevation in lateral chest leads).
3. Deep, narrow Q waves in aVL, and V6 (≥40 ms).
4. Diminished R wave in lateral precordial leads.
5. LAE.
翻 譯
肥厚型心肌病的心電圖特征
90%的有癥狀患者的心電圖是不正常的,其特征有以下幾點(diǎn)。
1、符合左室肥厚的電壓標(biāo)準(zhǔn)。
2、側(cè)壁導(dǎo)聯(lián)明顯的ST-T異常和T波倒置(側(cè)壁導(dǎo)聯(lián)ST段抬高)。
3、AVL,V6導(dǎo)聯(lián)可見(jiàn)深而窄的Q波(≥40 ms)。
4、側(cè)壁導(dǎo)聯(lián)R波減低。
5、左房擴(kuò)大。
英文原文:
Abnormal Q waves (Q wave >3mm in depth and/ or >40ms in athletes in 2 leads except aVR) are one of the most common ECG abnormalities in young patients with HCM. Interestingly, the Q waves may disappear with increasing age, especially when concentric LVH develops.In about 6% of patients with clinical presentation and Echo evidence of HCM,the ECG may be normal upon presentation. This subset of patients appears to have a less severe phenotype with better cardiovascular outcome.
翻 譯
異常Q波(Q波深度>3mm和/或運(yùn)動(dòng)員除aVR導(dǎo)聯(lián)外2個(gè)導(dǎo)聯(lián)Q波時(shí)限>40ms)是肥厚型心肌病年輕患者中最常見(jiàn)的心電圖異常之一。有趣的是,隨著年齡的增長(zhǎng),尤其在離心性左室肥厚的發(fā)展過(guò)程中,Q波可能會(huì)消失。有臨床表現(xiàn)且超聲符合肥厚型心肌病患者中,約6%的心電圖可能是正常的,心電圖可能是正常的。這組患者似乎有不太嚴(yán)重的表型,心血管預(yù)后較好。(翻譯:王世聰;校對(duì):何樹(shù)楠)
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