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- Atrial Contraction Index 心房收縮指數
- 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。
- 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;
- This method is also suitable for the theodolite with a contract index level. 這個(gè)方法也適合于一般具有豎盤(pán)符合水準器的經(jīng)緯儀。
- 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)。
- 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。
- 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。
- dropped premature atrial contraction 脫落的房性過(guò)早收縮
- The atrium contracts (atrial systole).The tricuspid valve located between the right atrium and ventricle opens for a short time and then shuts. 接下來(lái)右心房收縮（心房收縮期），這是位于右心房與右心室之間的三尖瓣會(huì )短時(shí)間打開(kāi)然后閉合。
- At last, the main trend of indexation is mini contract index and the deeper derivatives products. 指數化的兩個(gè)重要趨勢是指數的迷你化和指數的深入衍生化。
- At the end of diastole, your heart’s atria contract (an event called atrial systole) and pump blood into the ventricles. 當舒張期結束時(shí)，心房收縮（稱(chēng)為“心房收縮期”）將血液壓入心室。
- At the end of diastole, your heart’s atria contract (atrial systole), pumping blood into the ventricles, and then begin to relax. 舒張期一結束，心房就首先開(kāi)始收縮（心房收縮期）將血液壓入心室，然后開(kāi)始放松。
- The coupling interval of premature atrial contraction 房早聯(lián)律間期
- "I'll" is a contraction of "I will". “I'll”是“I will”的縮寫(xiě)。
- A syndicate of local businessmen is bidding for the contract. 一個(gè)當地企業(yè)家的聯(lián)合組織在向這一合同投標。
- It is impossible for him to get off the contract. 他不可能解除契約對自己的束縛。
- I'm under contract to teach here for one year. 我按照聘約要在這里教一年書(shū)。
- Their acceptance of the contract is still in doubt. 他們是否接受那合同還說(shuō)不準。
