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长RP心动过速是指RP间期≥50%心动过速的RR间期,主要包括房速、PJRT、FS-AVNRT、2:1心房扑动(符合Bix法则)、窦性心动过速和窦房折返性心动过速。长RP心动过速通常为窄QRS波心动过速,即前向经房室结下传。通过心电图判别心动过速的性质时,QRS波的形态及时限无鉴别价值,RP关系以及P波形态具有主要鉴别价值,除此,心动过速的频率、电交替现象、ST段改变
Long RP tachycardia refers to the RR interval of ≥50% tachycardia with inter-RP, including atrial tachycardia, PJRT, FS-AVNRT, 2: 1 atrial flutter (in accordance with Bix’s law), sinus tachycardia Sinus reentrant tachycardia. Long RP tachycardia is usually a narrow QRS tachycardia, that is, the forward antrioventricular node. When the characterization of tachycardia by ECG, QRS wave morphology and time without identification of value, RP relationship and the P wave morphology has the main differential value, in addition, tachycardia frequency, electrical alternating phenomenon, ST segment changes