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临床资料及心电图分析患者男生,77岁。临床诊断冠心病。附图为V_1导联连续描记,P波有两种形卷,直立者除V_(1a)、V_(1b)有脱落外,基本均齐发生,正负双向者皆发生于直立窦性P波脱落后,其P-P′间期皆为1.32s,系房性逸搏。由于存在轻度室相性窦性心律不齐,难以对窦房阻滞分型,房性逸搏未能侵入赛房结使之节律重整,则支持窦房阻滞的存在,或者因处于窦房隐匿性传导之不应期或者尚并存房窦阻滞。心室率远慢于心房率,多数与P波无关,仅V_(1a)R_2、V_(1b)R_(1、4)及V_(1c)R_(2、4)为心室夺获,其P-R间期为0.18～0.23s,其长短与距前一R之R-P长短呈负相关,不过皆为提前发生,肯定为夺获无疑。夺获之心搏皆呈
Clinical data and ECG analysis of male patients, aged 77. Clinical diagnosis of coronary heart disease. The figure for the V_1 lead continuous tracing, P wave has two types of volume, upright except V_ (1a), V_ (1b) shedding, the basic homogeneous occurred in both positive and negative were occurred in the erect sinus P wave Fall off, the PP ’interphase are 1.32s, Department of esophageal anecdotal. Due to the presence of mild room phase sinus arrhythmia, it is difficult to type the sinoatrial block, atrial escape failed to invade the ventricular node to make rhythm reorganization, support for the presence of sinoatrial block, or due to the sinus Room occult conduction of refractory period or coexisting room sinus block. Ventricular rate was much slower than that of atrial rate, and most of them were independent of P wave. Only V_ (1a) R_2, V_ (1b) R_ (1,4) and V_ (1c) R_ The duration is 0.18 ~ 0.23s, the length of which is inversely related to the length of RP from the previous R, but all of them occur in advance and certainly win. Capture the heart beat were all presented