美托洛尔对正常受试者多巴酚丁胺负荷超声心动图检查期间心率、血压及心肌收缩力的影响。
Impact of metoprolol on heart rate, blood pressure, and contractility in normal subjects during dobutamine stress echocardiography.
作者信息
Marcovitz P A, Armstrong W F
机构信息
Division of Cardiology, University of Michigan, Ann Arbor, USA.
出版信息
Am J Cardiol. 1997 Aug 1;80(3):386-8. doi: 10.1016/s0002-9149(97)00376-7.
PMID:9264449
Abstract
Dobutamine stress echocardiograms were performed in 6 volunteers under basal conditions and after 72 hours of metoprolol, 50 mg twice daily. Although heart rate responses were blunted, contractility increased to levels seen before beta blockade.
摘要
对6名志愿者在基础状态下以及服用美托洛尔（每日两次，每次50毫克）72小时后进行了多巴酚丁胺负荷超声心动图检查。尽管心率反应减弱，但收缩力增加至β受体阻滞剂治疗前的水平。
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