主动脉狭窄是由左心室出口至主动脉起始部间发生狭窄，可划分为瓣膜狭窄、瓣膜上狭窄和瓣膜下狭窄等三种类型。
主动脉瓣狭窄 [内科] Aortic stenosis ; [内科] aortic valve stenosis ; aortic insuffciency ; Aortic valvular stenosis
先天性主动脉狭窄 congenital aortic stenosis
在主动脉狭窄 transverse aortic constriction ; TAC
假性主动脉狭窄 pseudoaortic stenosis
先天性主动脉瓣狭窄 Congenital stenosis of aortic valve ; congenitalaorticstenosis
主动脉瓣狭窄扩张术 dilation of aortic valular stenosis ; diltion of ortic vlulr stenosis ; dilation n of aortic valular stenosis
主动脉瓣下狭窄 subvalvular aortic stenosis ; sub aortic stenosis ; idiopathic hypertrophic subaortic stenosis
主动脉口狭窄 stenosis of aortic orifice
性主动脉瓣下狭窄 DSAS
主动脉下狭窄 subaortic stenosis
研究发现腹主动脉狭窄后大鼠发生了严重的高血压及心肌肥厚。
The rats after aorta coarctation had severe hypertension and myocardial hypertrophy.
在过去的几十年，超声心动已经成为评价主动脉狭窄严重程度的标准。
Over the past decades, echocardiography has become the clinical standard for the evaluation of aortic stenosis severity.
背景：除了心内直视手术，经导管主动脉瓣植入术是主动脉狭窄患者的替代治疗方案。
BACKGROUND: -transcatheter aortic valve implantation is an alternative to open heart surgery in patients with aortic stenosis.
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