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陣发性心动过速是由于異位心跳节奏点所造成的一种快速而規則的心律。此心跳节奏点可以位于心室房室結或心房內,因而分別致成心室性,房室結性及心房性陣发性心动过速,后二者因为鉴別常极困难,故又合称为室上性心动过速。此种心律时常呈陣发性的发作,历时长短不等。短者仅数分鐘,长者可达数小时,数日乃至数月。病人不但发生心悸、胸痛及焦虑等,且长时間的发作可引起心脏机能不全以及其他不良后果,因而适当的治疗是非常必要的。陣发性室上性心动过速的治疗。 (1)頸动脉(?)压挤法及眼球压迫法:有效率各家意見不一,有10—80％的病例效果不好,且易引起病人痛苦,曾有报告因室上性陣发性心动过速压迫两侧頸动脉(?)反而引起心室性陣发性心动过速的报告。有时这种方法使心脏可以突然停止跳动。 (2)呕吐剂:如吐根、阿朴嗎啡等可以引起呕
Paroxysmal tachycardia is a fast and regular heart rhythm caused by ectopic beats. The heartbeat rhythm can be located in the ventricular atrioventricular node or atrial, resulting in ventricular, atrioventricular and atrial paroxysmal tachycardia, respectively, because the latter two often very difficult to identify, it is also known as Supraventricular tachycardia. This kind of heart rate often paroxysmal episodes, duration varies. Shorter only a few minutes, the elderly up to several hours, a few days and even months. Patients not only have heart palpitations, chest pain and anxiety, etc., and prolonged attacks can cause cardiac insufficiency and other adverse consequences, and therefore appropriate treatment is very necessary. Treatment of paroxysmal supraventricular tachycardia. (1) carotid artery (?) Squeeze method and ophthalmic oppression method: the efficiency of different opinions, there are 10-80% of the cases the effect is not good, and easy to cause patient suffering, there have been reports of supraventricular paroxysmal Tachycardia on both sides of the carotid artery compression (?) Instead, caused by ventricular tachycardia was reported. Sometimes this method allows the heart to suddenly stop beating. (2) vomiting agents: such as Ipomoea, apomorphine, etc. can cause vomiting