布罗肯布罗夫-布劳恩瓦尔德-莫罗征：一种用于评估左心室流出道梗阻的血流动力学操作。
Brockenbrough-Braunwald-Morrow Sign: An Evaluative Hemodynamic Maneuver for Left Ventricular Outflow Tract Obstruction.
作者信息
Lasam Glenmore
机构信息
Morristown Medical Center, Morristown, NJ 07960, USA. Email:
出版信息
Cardiol Res. 2018 Jun;9(3):180-182. doi: 10.14740/cr676w. Epub 2018 Jun 6.
Abstract
A case of a 77-year-old woman with a history of hypertrophic cardiomyopathy (HCM) presented with intermittent episodes of exertional dyspnea and chest discomfort. Her coronary angiogram revealed normal coronary arteries but with hypertrophic obstructive cardiomyopathy with an increasing left ventricular-aortic gradient on isoproterenol provocation. Likewise, an intensified gradient was observed after a premature ventricular contraction (PVC) that is distinguished as the Brockenbrough-Braunwald-Morrow sign substantiating confirmation of left ventricular outflow tract (LVOT) obstruction.
摘要
一名77岁有肥厚型心肌病（HCM）病史的女性患者，出现劳力性呼吸困难和胸部不适的间歇性发作。她的冠状动脉造影显示冠状动脉正常，但存在肥厚型梗阻性心肌病，在异丙肾上腺素激发试验时左心室-主动脉压差增加。同样，在室性早搏（PVC）后观察到压差增大，这被认为是布罗肯布罗夫-布劳恩瓦尔德-莫罗征，证实了左心室流出道（LVOT）梗阻。
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