二、抗过缓性心律失常药物及其应用过缓性心律失常包括窦性心动过缓、窦性停搏、窦房阻滞、高度或完全性房室阻滞等。常用的抗过缓性心律失常药物有阿托品、异丙肾上腺素、肾上腺素。此外,羟基苯丙胺(Hydroxyamphetamine,“Paredrine”),麻黄素、皮质激素、克分子乳酸钠或重碳酸钠、噻嗪类利尿药以及葡萄糖—胰岛素—钾合剂(GIK 合剂)等也用来治疗房室阻滞——阿斯症群,有不同程度的疗效。 Second, anti-bradyarrhythmia drugs and their applications Bradyarrhythmia, including sinus bradycardia, sinus arrest, sinoatrial block, a high degree or complete atrioventricular block. Commonly used anti-bradycardic arrhythmia drugs are atropine, isoproterenol, epinephrine. In addition, hydroxyamphetamine (“Paredrine”), ephedrine, corticosteroids, sodium lactate or sodium bicarbonate, thiazide diuretics and glucose - insulin - potassium mixture (GIK mixture) are also used to treat atrioventricular block Hysteresis - Aster Syndrome, with varying degrees of efficacy.