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临床医学
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four-chamber
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  四腔心
     Ultrasound study of four - chamber view of normal fetal heart from 10 to 17 weeks of gestation
     妊娠10至17周胎儿四腔心的超声检测研究
短句来源
     Among 46 cases of fetalCHD,33 cases were screened by four-chamber view. Its diagnostic sensitivity, specificity,positive and negative predictive values were 64.71 % ,99.90%,89.19% and 99.57%respectively.
     46 例胎儿CHD 中仅用四腔心筛选诊断CHD33 例,其敏感性64.71%,特异性99.90%,阳性预期值89.19%,阴性预期值99.57%。
短句来源
     20 normal adult cardiac specimens were studied by casts and sections, which were placed in a mamner similar to that seen on standard (left anterior oblique, lateral and right anterior oblique views) and axial (long-axis, four-chamber and elongated right anterior oblique views) angiocardiograms.
     20例正常成人离体心脏标本,用左心腔的铸型和心脏断面解剖法,按左心常规位(左前斜位、侧位和右前斜位)和轴位(长轴位、四腔心或肝锁位和右前斜延长位)的造影投照角度和相应的X线造影显像进行形态的对照研究。
短句来源
     Objective To investigate the clinical significance of the four-chamber view with three vessels and trachea view(FCV+3VT) screening for fetal cardiac malformation in the second and third trimester pregnancy.
     目的探讨四腔心观(FCV)加三血管-气管观(3VT)在胎儿中晚期心脏病产前超声筛选中的临床意义。
短句来源
     Methods Ten volunteers (group A),15 myocardial infarction patients (group B) and one case with hypertension were studied at apical four-chamber view,two-chamber view and apical longitudinal view using TVI.
     方法 对 A组 10例健康志愿者和 B组 15例心肌梗死患者及 1例高血压病患者应用 TVI技术采集心尖四腔心、心尖两腔心和心尖长轴切面图像。
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  “four-chamber”译为未确定词的双语例句
     The sensitivity, specificity and accuracy of the four-chamber view for screening fetal congenital cardiac abnormalities were 86.84%, 100% and 99.49 %, respectively.
     四腔心切面筛查先天性胎心畸形的敏感性为86.84%、特异性为100%、准确性为99.49%。
短句来源
     Results:Sa derived from the lateral site of mitral annulus from apical four-chamber view correlated well with functional class(rs=-0.65,P<0.0001),the 4-site average velocities of mitral annulus correlated better with functional class(rs=-0.69,P<0.0001).
     结果:二尖瓣环侧壁位点的收缩速度与NYHA心功能分级相关性较好(rs=-0.65,P<0.0001),而VMS与NYHA心功能分级相关性最好(rs=-0.69,P<0.0001)。
短句来源
     Among the 46 cases of fetal CHD,33 cases were diagnosed by apical four-chamber view method. Its diagnostic sensitivity,specificity, positive and negative predictive values were 64.71%,99.90%,89.19% and 99.57%,respectively.
     心尖四腔心切面扫查法诊断CHD 33例,且所有病例均包含在上述46例CHD中,其敏感性为64.71%,特异性99.90%,阳性预期值89.19%,阴性预期值99.57%;
短句来源
     By the apical four-chamber view of CS,long axis of CS was detected and the diameter of CS orifice in right atria (CSOD),the CS mid diameter (CSMD) at 1cm apart from CSOD,the CS length diameter (CSLD) and the distance from the CS orifice to the tricuspid valve ring (CSOT) were measured.
     取心尖冠状静脉窦四腔切面,探测CS长轴,测定CS右心房开口内径(CSOD)、距CSOD一厘米处内径(CSMD)、CS长径(CSLD)和CS开口至三尖瓣环距离(CSOT).
短句来源
     Methods: From the echocardiography apical four-chamber views, the motion of tricuspid annulus was recorded at the right ventricular free wall with pulsed wave Doppler tissue imaging (PW-DTI) and two-dimensional guided M-mode recordings.
     方法:在二维切面心尖四腔图上用脉冲多普勒组织成像技术(PW-DTI),在右室游离壁测量三尖瓣环的运动,同时用M型曲线记录三尖瓣环运动。
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  相似匹配句对
     The Four Feathers
     四根羽毛
短句来源
     Part four.
     第四部分,议程设置理论的意义。
短句来源
     On the"Four-Respects
     “四个尊重”解读
短句来源
     The Four-Stringed Pipa
     琵琶——中国弹弦乐器(英文)
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     The Chamber
     《法官议事室》简介
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  four-chamber
In a four-chamber olfactometer, female parasitoids were attracted to volatiles emanating from the feces of both host species.
      
In bioassays that used a static four-chamber olfactometer, males were attracted by host feces, hexane extracts from host feces, and volatile extracts of the feces obtained by closed-loop stripping (CLS).
      
The block diagram of the apparatus for two-channel recording of H+ secretion and the design of the four-chamber cuvette are described.
      
Each (i-C5H11)4N+ cation occupies a four-chamber cavity built of 15-hedra 71635942 (idealized description), with small vacant 5444 cavities filling the intervening space.
      
Measurements of TAM from medial and lateral positions on the annulus were selected from the standard echocardiographic apical four-chamber view.
      
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The features of anther and pollen development of male-sterile wheat line "you-boa" were studied morphocytologieally and those of the maintaining line were secured for comparison.The results obtained are summarized as follows: 1. Anther of male-sterile line consists of one to four chambers. The decrease of chamber number is partly due to the fusion of anther chambers. 2. The features of anther and pollen development in male-sterile wheat were found in two types: (1) Anther with abortive pollen. Under this type,...

The features of anther and pollen development of male-sterile wheat line "you-boa" were studied morphocytologieally and those of the maintaining line were secured for comparison.The results obtained are summarized as follows: 1. Anther of male-sterile line consists of one to four chambers. The decrease of chamber number is partly due to the fusion of anther chambers. 2. The features of anther and pollen development in male-sterile wheat were found in two types: (1) Anther with abortive pollen. Under this type, three subtypes could be again divided. (a) Pollen development was arrested at l-nucleate. (b) l-nucleate pollen aborted in some anthers. (c) One anther was found to have hypertrophitic tapetum. (2) Anther without pollen due to PMC disorganization. There are three cases in the disorganization of the pollen mother cells. (a)Pollen mother cells disorganized while tapetal layers developed normally. (b)Both pollen mother cells and tapetallayers disorganized.(c)Pollen mother cells fused with tapetal cells to form pesiplasmodium and then disorganized. Anthers both in (a) and (b) have hypertrophic middle layers. The develoment of tapetal cells was found to be normal in the anther with abortive pollen,but not in the anther without pollen. Since the pollen mother cells in the anther without pollen disorganized simultaneously with or even before the disorganization of the tapetal cells, it seems that the abnormal development of tapetal cells can not be attributed as the cause of pollen abortion. The conception that inadequate differentiation of vascular bundles in male-sterile anther leads to pollen abortion is not supported in this investigation.

“蚰包”小麦不育系的花药为1至4室,药室数减少,部分地是由于药室合并的结果。花药、花粉发育可分为败育型及无花粉型。败育型的减数分裂正常,花粉停滞在单核靠边期或在单核期败育;无花粉型的花粉母细胞在减数分裂前败育,其药壁中层有肥大生长现象。本观察结果,难以说明毡绒层异常为花粉败育的根源,花粉败育与药隔维管束亦无关。

Fifteen patients with Ebstein's anomaly of the tricuspid valve were studiedby two dimensional echoeardiography.Fourteen of them had the displacement ofthe septal tricuspid valve,while the other one had the displacement of the poster-ior tricuspid valve.Using the apical and subxiphoid four chamber view,the disp-lacement of the septal tricuspid valve into the right ventricle was clearly seen inabove mentioned fourteen patients,but it was not seen in 15 normal subjects.Theseverity of the tricuspid valve displacement...

Fifteen patients with Ebstein's anomaly of the tricuspid valve were studiedby two dimensional echoeardiography.Fourteen of them had the displacement ofthe septal tricuspid valve,while the other one had the displacement of the poster-ior tricuspid valve.Using the apical and subxiphoid four chamber view,the disp-lacement of the septal tricuspid valve into the right ventricle was clearly seen inabove mentioned fourteen patients,but it was not seen in 15 normal subjects.Theseverity of the tricuspid valve displacement was assessed by measuring the distancebetween the anterior mitral valve and the septal tricuspid valve insertion intoventricular septum.The normal distance was measured,ranging from 0.5~1.0cm,with an average of 0.69±0.17cm.As for our thirteen patients,the distances mea-sured were ranging from 1.6~4.0cm,with an average of 3.29±0.73cm.Thus,thedistance in the Ebstein's anomaly group is larger than that in the normal group(P<0.001).Furthermore,there were 6 patients complicated with pericardial effusi-on,and 6 patients with intraeardiac thrombus.The results suggested that two-dimen-sional echocardiography was considered not to be traumatically sensitive but areliable technique for diagnosing Ebstein's anomaly.

本文报道15例三尖辦下移畸形患者的二维超声心动图表现。取心尖四腔心等切面,分别测量三组每一心脏之三尖瓣隔瓣、二尖瓣前辦与室间壁附着点之间的距离,其平均值如下:三尖瓣下移畸形组(其中13例)为3.29±0.73厘米;正常组(15例)为0.69±0.17厘米;右心室容量负荷增加者组(20例)为0.81±0.26厘米。可见三尖瓣下移畸形组此距离较其他两组明显增大(P<0.001),这具有特异性,可供本病的无创伤性诊断。

Aneurysm of the Interatrial Septum(IAS-An)is a rare malformation involving the fossa ovalis. Between 1983 and 1985, 14 cases of IASAn were diagnosed by 2-Dimensional Echocardiography (2DE) performed in 6000 patients(0.23%) .During 2DE, the aneurysm appeared as a localised bulging of the IAS,which was seen in the four chamber apical view and in the subcostal four chamber view. The diagnostic criterion for IAS-An was a localised bulging of the IAS, whic hpersistence protruding>6mm into the right or left atrium...

Aneurysm of the Interatrial Septum(IAS-An)is a rare malformation involving the fossa ovalis. Between 1983 and 1985, 14 cases of IASAn were diagnosed by 2-Dimensional Echocardiography (2DE) performed in 6000 patients(0.23%) .During 2DE, the aneurysm appeared as a localised bulging of the IAS,which was seen in the four chamber apical view and in the subcostal four chamber view. The diagnostic criterion for IAS-An was a localised bulging of the IAS, whic hpersistence protruding>6mm into the right or left atrium or alternately into the both(1:into the left atrium during systole and into the right atrum during diastole; 2: into the left atrium during inspiration and into the right atrium during expiraton; 3:from right atrium into the left atrium during Valsalva maneuver). Bulging oi' the entire IAS or localised bulging<6mm not considered to be a true aneurysm. The aneurysm was associated with VSD (one patient) and with ASD(four patients)and with IVS-An (one patient) and occurred in isolation (eight patients). Our preliminary experience indicates 2DE was a useful tool in identifying patients with IAS-An. It may evaluate the size and the site of the Aneurysm, to rule out thrombus and tumer, detect association with abnomal and complicatons.

内容提要:房间隔膨胀瘤(IAS-An)是累及卵圆孔的一种少见的病变。我们应用二维超声心动图(2DE)于1983—1985年间的连续6000例患者中发现14例(0.23%)。2DE显示膨胀瘤为IAS局限性膨出,且于剑下及心尖四腔最易显示,其诊断标准是局限性膨出应>6mm,可持续性膨入右房或左房或交替性进入双房(①收缩期进入左房,舒张期进入右房;②深吸气时进入左房,深呼气时进入右房,③Valsalva运动后膨胀瘤可从右房进入左房。整个IAS隆起或局限性膨出<6mm不考虑为真性膨胀瘤。IAS-An伴有室间隔缺损(1例),房间隔缺损(4例)室间隔膨胀瘤(1例),或孤立存在(8例)。我们初步的经验认为2DE对IAS-An的检出是一个非常有用的手段。它不仅可估计膨胀瘤大小、位置、运动形式而且可排除血栓或肿瘤,同时可探查出其并发损害及并发症。

 
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