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左房心律(LAR)是一种较罕见的房性异位心律,现将我院15,000余份心电图中复习发现5例(见附图)分述如下。5例 LAR 中 P_Ⅰ倒置(↓)2例,负正双相3例,P_Ⅱ、Ⅲ、avF↓4例,负正双相1例,P_(Ⅴ1)呈圆顶尖角型(dome and dart)3例,负正双相2例,P_(Ⅴ6)↓4例,负正双相1例。根据 P 波在各导的不同形态可把左房分为左房前上、后上、前下、后下部,因而推测图例
Left atrial rhythm (LAR) is a rare case of atrial ectopic rhythm, now more than 15,000 copies of our hospital ECG found in 5 cases (see photo) are as follows. In 5 cases of LAR, there were 2 cases of P_Ⅰ inversion (↓), 3 cases of negative and positive biphasic, 4 cases of P_Ⅱ, Ⅲ and avF ↓, 1 case of negative and positive biphasic, P_ (V 1) dome and dart 3 Cases, negative positive biphasic 2 cases, P_ (Ⅵ) ↓ 4 cases, negative positive bipolar 1 case. According to P wave in the different forms of the guide can be divided into the left atrium before the left atrium, after the upper and lower front and lower, so speculation legend