持续性心房纤颤时,二尖瓣口血流频谱特点是( )
A.A峰大于E峰
B.E峰大于A峰
C.A峰等于E峰
D.A峰消失,呈单峰
E.E峰大于2倍A峰
试卷相关题目
- 1左心室血栓常见于( )
A.左房扩大
B.肺动脉高压
C.右室容量负荷过重
D.心尖部梗死
E.左室肥厚
开始考试点击查看答案 - 2黏液瘤最常见的发生部位是( )
A.左房
B.右房
C.左室
D.右室
E.下腔静脉入口
开始考试点击查看答案 - 3扩张型心肌病的瓣膜改变可有( )
A.二尖瓣出现SAM现象
B.二尖瓣开放幅度减低,呈“大心腔,小瓣口”改变
C.二尖瓣开放幅度增大
D.肺动脉瓣开放幅度增大
E.主动脉瓣出现SAM现象
开始考试点击查看答案 - 4关于肥厚型心肌病,正确的是( )
A.左室流出道内血流速度增快
B.左心耳处常出现血栓
C.室壁运动弥漫性减弱
D.室壁运动幅度增强
E.主动脉瓣出现SAM现象
开始考试点击查看答案 - 5下列关于肥厚型心肌病的超声诊断,错误的是( )
A.梗阻者的左室流出道直径小于20nm
B.左室后壁与室间隔厚径比值大于1.5
C.室间隔与左室后壁厚径比值大于1.5
D.梗阻者出现SAM现象
E.室间隔肥厚,绝对值常大于1.5cm
开始考试点击查看答案 - 6Which type of arial septal defect is the most common( )
A.patent foramen Ovale
B.sinus venosus
C.ostium primum
D.ostium secundum
E.Lutembacher syndrome
开始考试点击查看答案 - 7Tetralogy of Fallot consists of the followings except( )
A.pulmonary valve stenosis
B.right ventricular hypertrophy
C.atrial septal defect
D.ventricular septal defect
E.right ventricular outflow tract stenosis
开始考试点击查看答案 - 8Which view of the followings is the best for diagnosis of aortic coarctation( )
A.subxiphoid view
B.right parasternal view
C.apical five chamber view
D.left parasternal view
E.suprasternal view
开始考试点击查看答案 - 9In rheumatic mitral stenosis,the common locations of mitral valve fusion lesions are exclusive of( )
A.mitral valve commissurae
B.tip of mitral leaflet
C.root of mitral leaflet
D.chordae tendineae
E.combination of commissurae and chordae tendineae
开始考试点击查看答案 - 10A ruptured aneurysm of the aortic sinus is probably occurred in the following options,choose one of best answer( )
A.pericardium
B.left ventricle
C.left atrium
D.right atrium
E.right ventricle
开始考试点击查看答案