ATC代码 (D09)(Antifungals for dermatological use)(Emollients and protectives)(Preparations for treatment of wounds and ulcers)(Antipruritics, including antihistamines, anesthetics,
第一度房室传导阻滞第一度房室传导阻滞(1° AV Block),是心脏电传导系统的疾病,是指PR节段(英语:PR interval)长度超过0.2秒(5小格),且仍保持P波→QRS综合波→T波的顺序。