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可乐宁(Clonidine)是植物神经张力的中枢调节剂,可致心动过缓和房室阻滞。但尚未见报导用来治疗快速心律失常。6例有症状的室上性快速心律失常用小剂量(0.1毫克/日)可乐宁口服治疗有效。甲组——窦性心动过速:3例Barlow氏综合征有持续窦性心动过速,平静时心率130～180次/分,其中2例单用可乐宁治疗,窦性心率<100次/分。第3例用心得安(浓度66微克/毫升)仍有窦性心动过速,加上可乐宁后,窦性心率为<100次/分。乙组——房室阻滞:用地戈辛治疗异位性房性心动过速伴1:1房室传导2例,心房纤颤伴快速室率(140～170次/分)1例,加上可乐宁后(浓度2.7,
Clonidine is a central regulator of autonomic nervous system tension and can cause bradycardia and atrioventricular block. However, no reports have been reported for the treatment of tachyarrhythmias. Six patients with symptomatic supraventricular tachyarrhythmia were treated with a low dose of clonidine (0.1 mg / day) orally. Group A - Sinus tachycardia: Barlow’s syndrome in 3 patients had sustained sinus tachycardia with a heart rate of 130-180 beats / min at rest, of which 2 were treated with clonidine alone, and a sinus heart rate <100 beats / Minute. The third case of propranolol (concentration of 66 micrograms / ml) is still sinus tachycardia, with clonidine, sinus heart rate <100 beats / min. Group B - atrioventricular block: use geoxin treatment of atopic atrial tachycardia with 1: 1 atrioventricular conduction in 2 cases, atrial fibrillation with rapid ventricular rate (140 ~ 170 beats / min) in 1 case, plus After the Coke Ning (concentration of 2.7,