The study was focused on heart rate(HR) variation of sinus rhythm before 5 minutes attacking, relationship between premature atrial contraction, couplinginterval and PAF episodes.
研究PAF发作与窦性心室率、前5分钟窦性心律的心率变异、房性期前收缩及其配对间期的关系。
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Methods: Summed up the experience of terminating fascicular tachycardia and polymorphic ventricular tachycardia with extremely short couplinginterval by intravenous verapamil in 20 cases.