黄鳝心电图的研究

本文报道了对１９例健康黄鳝进行心电图测定的结果，黄鳝的心电图特征为，平均心率４５．１７±６．１１次／分，心律均为窦性心律，ＱＲＳ波平均心电轴８７．９３±９．３１°，Ｐ波，ＱＲＳ综合波及Ｔ波持续时间分别为０．０５５±０．０２７秒，０．１０２±０．０６１秒和０．２３１±０．１０６秒，Ｒ—Ｒ，Ｐ—Ｒ，Ｓ—Ｔ及Ｑ—Ｔ间期分别为１．３５６±０．２０３秒，０．２８１±０．０６５秒，０．４５１±０．１０８秒和０．７８５±０．１１０秒，Ｐ波形态在Ⅱ，Ⅲ，ａＶＦ导联中多呈负向，而在ａＶＲ，ａＶＬ导联中多呈正向，ＱＲＳ综合的波形较为复杂多样，但在Ⅰ，Ⅱ，Ⅲ，ａＶＦ中主要以正向的Ｒ波为主，而在ａｖＲ，ａＶＬ导联中则以负向波为主，Ｓ—Ｔ段无出现移位现象，Ｔ波在各导联中有较好的一致性，即在Ⅱ，Ⅲ，ａＶＦ导联中绝大多数呈正向，而在ａＶＲ，ａＶＬ导联中则以负向为主。

STUDY ON THE ELECTROCARDIOGRAM OF THE RICEFIELD EEL(Monoplerus albus)

This paper deals with the results of the study on the Electrocardiograms (ECG) of M·albus.The characteristics of the ECG are as follows; The mean heart rate was 45.7±6.11/Min.,and the cardiac rhythmicity showed sinus rhythm in all Ricefield Eels. The mean electrica axis of QRS waves was 87.93±9.31°.The average duration of P, QRS and T wave was 0.055±0.027Sec., 0.102±0.061 Sec, and 0.785±0.110 Sec.,P wave is of negative form in leads Ⅱ,Ⅲand aVF, but positive form in leads aVR and aVL. QRS complex showed various forms in different leads but presented mainly R type in leads Ⅰ,Ⅱ,Ⅲ and aVF but QS type in leads aVR and aVL. There was no shift of the S T segment. T wave seemed consistent in each lead, it took mainly the positive form in leads Ⅱ, Ⅲ and aVF,and the negative form in leads aVR and AVL.