窦房折返性心动过速属于长RP心动过速的一种,临床并非罕见,其具有独立的临床及心电图特点,与其他类型的长RP心动过速(如窦速、房速等)的鉴别也十分重要。一.窦房折返性心动过速的概念及特点1.概念窦房折返性心动过速是指发生在窦房结与邻近心房组织间的折返激动(图1)。窦房结是折返环路的 Sinoatrial reentrant tachycardia is a long RP tachycardia, clinical is not uncommon, it has an independent clinical and ECG characteristics, and other types of long RP tachycardia (such as sinus, atrial tachycardia, etc.) of the identification It is also very important. 1. sinus nodal reentrant tachycardia concept and characteristics 1. Concept sinus nodal reentrant tachycardia refers to occur in the sinus node and adjacent atrial tissue reentry excitability (Figure 1). Sinus node is reentrant loop