虚共心腔具有很好的模式选择能力。
A virtual concentric resonator has very good mode-selection ability.
人的心脏有四个心腔。
目的了解心腔心内膜临时起搏治疗在儿科的应用。
Objective To evaluate the therapeutic role of temporary endocardiac pacing in paediatrics .
本文通过一些数学处理得到虚共心腔模式分布的本征解。
The eigen solutions of the field distribution of a virtual concentric resonator have been derived in the paper by using fundamental mathematic processing.
目的评价双心腔起搏对肥厚梗阻性心肌病患者的远期疗效。
Objective To assess the long term results of dual chamber pacing in patients with hypertrophic obstructive cardiomyopathy(HOCM).
这些变化包括心室壁肥厚、心腔扩大，其程度与训练强度有关。
These changes may include ventricular wall hypertrophy, and chamber dilatation to varying degrees, often depending on the training regime.
目的观察噻氯吡啶与华法林在治疗心腔内附壁血栓的疗效及安全性。
Objective To investigate the safety and efficiency of ticlopidine and warfarin on intracardiac mural thrombus.
渗出性心包炎虽有心胸比值缩小显著、但与其心腔内径变化不相关。
Although patients with exudative pericarditis showed remarkable reduction in cardiac shadow, they did not have any remarkable change in their cardiac chambers.
结论左心室假腱索是心腔内的解剖结构，对心脏功能可能有一定影响。
Conclusion Left ventricular false tendons are human anatomical structure of cardiac Chambers, and they may influence the function of the hearts.
结果NTHI明显增加心腔内自发性造影回声的检出率及云雾密度与亮度。
Results NTHI could obviously increase discover rate of spontaneous echo-contrast, density and brightness of smoke-like echo.
目的：研究左心扩大性疾病瓣膜返流情况、心腔形态学改变以及心功能的变化。
Objective The purpose of the investigation was to study valvular regurgitation, morphological changes and left ventricular function in patients with left ventricular enlargement.
目的：探讨基于低频电场方式进行心腔内三维定位导航及心内膜重构的可行性。
Objective: To approach the feasibility of the three-dimensional positioning and navigation with regular catheter electrodes in intracavitary with a low-frequency electrical field.
目的初步评价心腔内组织多普勒成像(TDI)对心肌激动及传导的显像功能。
Objective To evaluate the value of intracardiac tissue Doppler imaging (TDI) for showing the myocardial excitation and conduction.
起搏器综合症这种不常见的疾病发生在当起搏器抛出了精心协调上下跳动的心腔。
Pacemaker syndrome. This uncommon condition occurs when a pacemaker throws off the careful coordination between the beating of the upper and lower chambers of the heart.
右心室壁未见到动静脉吻合，但观察到与心腔直接相通的心最小静脉和心肌窦状隙。
No A-V anastomosis could be seen, yet thebesian vessels and myocardial sinusoids directly opened into ventrical chamber could be found.
在初步的人体研究中，我们也观察到了同样的心腔内造影剂后向散射强度的变化规律。
In human studies, we also observed same intracardiac cyclic changes of backscatter from hydrogen peroxide microbubbles.
在活体的心腔或血管腔内，血液中某些有形成分析出、粘集或血液发生凝固，形成固体质块的过程。
Thrombosis is the process of formation of a solid from the blood within living blood vessels or the heart, the resultant is termed a thrombus.
传感器例如可以包括胸液传感器、心音传感器、心腔压或动脉压传感器、呼吸传感器或血液化学传感器。
The sensor may comprise a thoracic fluid sensor, a heart sounds sensor, a cardiac chamber or arterial pressure sensor, a respiration sensor, or a blood chemistry sensor, for example.
方法用彩色多普勒超声观察心腔和肺动脉内的血流颜色变化，并用连续多普勒超声测量肺动脉内血流速度。
Methods Using color Doppler flow imaging to detect the pulmonary blood color and continuous wave Doppler echocardiogram to measure the pulmonary flow velocity.
结果58例心慌气短患者有46 例超声表现异常，即：心肌回声异常、室壁增厚、心腔扩大及心功能减低。
Results In 58 cases, 46 cases were abnormal:abnormal myocardial-echo, thickened ventricular wall, dilation of heart and cardiac insufficiency.
目的：探讨心腔声学造影时间-强度曲线(TIC)参数定量评价右心收缩功能的可靠性及寻找反映右心收缩功能的可靠指标。
Objective: to study on reliability and reliable indexes of quantitative assessment of right ventricular systolic function by time-intensity curve (TIC) with right ventricular contrast.
已有的研究提示，一般认为等张运动导致心腔扩大，等长运动导致心肌肥厚，但在实际训练中，并不存在单纯的等张或等长训练。
It is generally acknowledged that the isotonic exercise can result in cardiac dilatation and the isometric exercise can cause myocardial pachynsis.
结果与保守治疗组比较，介入治疗组在LVEF，缩小扩大的左心腔有明显的变化，术后运动耐量明显增加，生活质量明显改善。
Results Compared with the group of the drug treatment, the PCI group was significantly improved in LVEF and decrease the size of left ventricular. Spots exercise was increased significantly.
当心脏跳动时，一个电子信号就会从心脏的顶部传到一个心腔（位于上部），然后是位于下部的心腔，当它收缩时，也是按照这样的顺序。
When the heart beats, an electrical signal passes from the top of the heart, near the atria (upper chambers), down through the ventricles (lower chambers), and the chambers contract in that order.
有很多女孩想追他，男孩却说，他的心虽有四个腔却只装的下一个人。
He was really eminent, tall and handsome, good at academy, etc. Many girls wanted to persuade him, but he said he only wanted one love though his heart had four cavities.
目的：旨在探讨通心络胶囊防治经皮腔内冠状动脉成形术后再狭窄的临床作用及机制。
Objective: To probe probe the clinical effect and mechanism of Tongxinluo capsule in preventing and treating coronary restenosis after PTCA.
有很多女孩想追他，男孩却说，他的心虽有四个腔却只装的下一个人。
Many girls wanted to persuade him, but he said he only wanted one love though his heart had four cavities.
目的探讨超声心动图对右室双腔心的诊断价值。
Objective To explore the value of echocardiography in diagnosis of DCRV.
目的探讨超声心动图对右室双腔心的诊断价值。
Objective To explore the value of echocardiography in diagnosis of DCRV.
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