【答】室上性阵发性心动过速(PSVT)是心律失常中常见的一种类型。临床表现有面色苍白,极度心慌,胸憋,脉弱而数和血压偏低等,如不及时救治,可以危及生命。治疗室上性阵发性心动过速的方法很多。机械刺激兴奋迷走神经的方法简单易行,收效快,可试用。但大部分病例还必须使用药物治疗。 [A] supraventricular tachycardia (PSVT) is a common type of arrhythmia. Clinical manifestations are pale, extreme palpitation, chest simmering, weak pulse count and low blood pressure, if not timely treatment, can be life-threatening. There are many ways to treat supraventricular paroxysmal tachycardia. Mechanical stimulation excitatory vagus nerve method is simple, fast, can try. But most cases must also use medication.