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- Mitral inflow velocity, left atrium contraction inflow velocity in early diastole and their ratio were detected by Doppler flow imaging.Difference of the index of the two groups was compared. 并用二尖瓣血流多普勒法檢測舒張期早期血流速度峰值、左心房收縮期血流速度峰值及二者比值,比較兩組間所測指標的差異。
- left atrial contraction 左心房收縮
- Use cineloop, to obtain the best sagittal view of the left atrium. 使用cineloop得到最好的左心房的縱剖面圖像。
- Neither shunt from left atrium to right atrium nor cardiac tamponade was found. 無(wú)心包填塞,無(wú)繼發(fā)性房間隔缺損及左向右分流者。
- Transmitral flow velocities during early diastole(E) and atrial contraction(A) were also measured by Doppler echocardiography and E/A ratio, E/Ve ratio were calculated. 應用彩色多普勒超聲心動(dòng)圖測量二尖瓣口舒張期血流快速充盈速度E峰,左房收縮充盈速度A峰,計算E/A值和E與平均Ve的比值(E/Ve)。
- The blood flow velocity of mitral during early diastole(E)and atrial contraction(A)were also measured by pulsed Doppler echocardiography and E/A ration was calculated. 結果正常組舒張早期峰值速度(E)>左房收縮期峰值速度(A),E/A>1;
- Left ventricular failure results in distention of the left atrium, engorgement of the pulmonary veins. 左心室衰竭導致左心房擴張,肺靜脈充盈。
- From the left atrium the blood passes through the bicuspid valve into the left ventricle. 來(lái)自左心房的血液通過(guò)二尖瓣進(jìn)入右心室。
- Here is a thromboembolus that originated from mural thrombus in the left atrium. 此栓子源于左心房的附壁血栓。
- Objective To investigate the clinical significance of the alteration of left atrium diameter in hypertension patients. 目的探討原發(fā)性高血壓病左心房?jì)葟阶兓芭R床意義。
- Methods Thirty healthy subjects were enrolled in the study. Longitudinal SR of LV walls and RV wall during systole,early diastole and atrium contraction(SRs,SRe and SRa) and largest strain(Smax) were measured. 方法測量30例正常中老年人各室壁、各節段收縮期、舒張早期和房縮期縱向應變率(SRs、SRe、SRa)及最大應變(Smax)。
- The left atrium has been opened to reveal the most common primary cardiac neoplasm--an atrial myxoma. 從剖開(kāi)的左心房可見(jiàn)最為普遍的原發(fā)性心臟腫瘤-心房粘液瘤。
- METHODS: The measurement parameters included: peak velocities at rapid filling (VE) and atrial contraction (VA), the ratio E/A, deceleration rate of early diastolic rapid inflow (EDC) and E-F slope of mitral valve forelobe curve (EFV). 方法:以舒張早期快速充盈血流速度(VE)、舒張晚期心房收縮血流速度(VA)、二者比值(E/A)、舒張早期快速充盈減速度(EDC)及二尖瓣前葉EF斜率(EFV)為測量參數。
- Methods 85 patients suspect coronary heart disease, with echocardiography, the peak flow velocities during early diastole (E), atrial contraction (A), E/A ratio were recorded and calculated. 方法85例臨床疑診冠心病超聲檢查左心室二尖瓣口舒張早、晚期血流充盈速度E、A兩峰峰值,計算E/A比值,其結果分為舒張功能正常和降低兩組。
- The lateral view of angiocardiography showed two adjacent chambers in the region of left atrium. 三房心的心血管造影表現為在側位上相當于左房區域,有兩個(gè)相鄰的腔。
- TDI paraments included peak early diastolic annular velocity (E),peak diastolic annular velocity with atrial contraction(A),and isovolumic relaxation time (IR)intervals,calculating the ratio of E/A. 然后應用組織多普勒技術(shù)測定E波(舒張早期三尖瓣環(huán)運動(dòng)峰值速度)、A波(舒張晚期三尖瓣環(huán)運動(dòng)峰值速度)和IR(等容舒張時(shí)間),并計算E/A比值。
- Objective: To study the relations of left atrium size with atrium vibration of the patients with hypertension. 目的:研究高血壓病左心房大小與心房纖顫的關(guān)系。
- An atrial sound is not heard in this condition because mitral valve narrowing prevents sudden emptying of the left atrium. 心房音此時(shí)不能聽(tīng)到,因為二尖瓣狹窄阻止左心房突然排空。
- Objective To explore the relation between left atrial volume index(LAVI) and prognosis of acute myocardiac infarction(AMI). 目的探討左心房容積指數(LAVI)與急性心肌梗死(AMI)預后之間的關(guān)系。
- An atrial sound is not heard in this condition because mitral value narrowing prevents sudden emptying of the left atrium. 心房音此時(shí)不能聽(tīng)到,因為二尖瓣狹窄阻止左心房突然排空。