| 单词 | 左心室 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 释义 | 左心室 noun —left ventricle nSee also:左 adj—left adj • wrong adj • opposite adj 心室 adj—ventricular adj 心室 n—ventricle n 心室—ventricle (heart)
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LA 收缩使左心室压力 快速上升，且左心房压力难 以 超过这一升高的左心 室压。 asecho.org | Atrial contraction provokes a [...] sharp rise in left ventricular pressure, and left atrial pressure hardly exceeds this elevated left ventricular pressure. asecho.org |
近一半 新诊断为心力衰竭的患者左心室整体 EF 值正常或接近正常。 asecho.org | About half of patients with [...] new diagnoses of heart failure have normal [...]or near normal global ejection fractions (EFs). asecho.org |
球形左心室收缩 功能最常用的几何学参数为线性 测量的短轴缩短率（shortening fraction, SF）、 面积分数 变化和容积测量的射血分数（ejection fraction, EF）。 asecho.org | The most commonly used geometric parameters of global LV systolic function are the linear shortening fraction (SF), fractional area change, and the volumetric ejection fraction (EF). asecho.org |
病人可以透過體外控制器操作人工心臟，將帶氧血液泵至全身，每分鐘輸出血液可達10公升，足以取代原 有 左心室 的 功 能。 hksh.com | Controlled by an external controller and powered by batteries outside the patient's body, the current model can pump up to10 litres of blood per [...] minute, taking over the pumping ability of [...] the weakened heart's left ventricle and providing long-term cardiac support. hksh.com |
由于高血压发病率高，尤其是在老年人群中，所 以 左心室 肥厚 较常见，高血压性心脏病是引起舒张性心力衰竭最常 [...] 见的原因。 asecho.org | Because of the high prevalence of hypertension, especially in the [...] older population, LV hypertrophy is common, [...] and hypertensive heart disease is the [...]most common abnormality leading to diastolic heart failure. asecho.org |
实线箭头所指为左心室最小 压力，虚点箭头所指为 A 波之前左心室压，虚线箭头所指为 左心室 舒 张 末期压力。 asecho.org | The solid [...] arrow points to left ventricular minimal pressure, the dotted arrow to left ventricular pre-A pressure, and the dashed arrow to left ventricular end-diastolic [...]pressure. asecho.org |
瑞典斯德哥尔摩卡罗林斯卡研究所的Lars H. Lund, M.D., [...] Ph.D.及其同事开展了一项研究，旨在检查肾素-血管紧张素系统（RAS）拮抗剂（即血管紧张素转换酶 [ACE ]抑制剂或血管紧张素受体阻滞剂 [ARBs] ）是否与射血分数（这是左心室每次 收缩时的泵血功能好坏的一个指标）得到维持的心衰患者死亡率的下降有关。 chinese.eurekalert.org | Lars H. Lund, M.D., Ph.D., of the Karolinska Institutet, Stockholm, Sweden, and colleagues conducted a study to examine whether renin-angiotensin system (RAS) antagonists (i.e., angiotensin-converting enzyme [ACE] inhibitors or angiotensin receptor blockers [ARBs] [...] are associated with [...] reduced mortality in heart failure patients with preserved ejection fraction (a measure of how well the left ventricle of the heart [...]pumps with each contraction). chinese.eurekalert.org |
对左心室（LV ）舒张功能的评价是常规检查不可或缺 的一部分，尤 其 对伴有呼吸困难或心力衰竭的患者。 asecho.org | The assessment of left ventricular (LV) diastolic function [...] should be an integral part of a routine examination, particularly [...]in patients presenting with dyspnea or heart failure. asecho.org |
在第一个时相内，左心房压超过左 心室压，二尖瓣血流加速。 asecho.org | In the first phase, left atrial pressure exceeds left ventricular pressure, accelerating [...] mitral flow. asecho.org |
通常，左心室大小 应在舒张期和收缩期分别测量， 明确舒张末期为心室腔内的最大面积帧像，收缩末期 为心室腔内最小面积帧像。 asecho.org | In general, LV size should be measured during both diastole and systole, defining end-diastole as the frame with the maximum chamber intraluminal area and end-systole as the frame with the minimum area. asecho.org |
在成本/效益比方面,支付$19,000美元,你 的 左心室 射 血 分数将得到6%改善。 hongkongstemcell.com | In terms of cost/ benefit ratio, you will pay $19,000 USD for a 6% [...] improvement in the left ventricular ejection fraction. hongkongstemcell.com |
左心室（LV ）旋转（rotation）是指心肌沿左室长 轴 的旋转 运动。 asecho.org | The term left ventricular (LV) rotation refers to myocardial rotation around the long axis of the left ventricle. asecho.org |
二维的容积测量法要求胸骨旁短轴、心尖和/或剑 下切面上优质的左心室图像，以便能 对 左心室 长 轴长 度及左心室心内膜 边界内的面积进行测量。 asecho.org | Two-dimensional volumetric methods require quality LV images from parasternal short-axis, apical, and/or subxiphoid views in which the LV major-axis length and area of the LVendocardial border can be measured. asecho.org |
5. 使用超 声心动图方法估计正常和异常 EF 病人的左心室充盈压，并可对舒张功 能不全的严重度进行分级。 asecho.org | Use echocardiographic [...] methods to estimate left ventricular filling pressures [...]in patients with normal and depressed EF, and [...]to grade the severity of diastolic dysfunction. asecho.org |
Torrent-Guasp 等[8] 描述心室在某种程度上可以 [...] 被当作一条单一的肌纤维带，它始于肺动脉瓣下的右心室 心肌，呈双螺旋结构延伸至左心室， 并附着于主动脉处。 asecho.org | Torrent-Guasp et al8 described how the ventricles may to some extent be assimilated to a single myofiber band starting at the right [...] ventricle below the pulmonary valve and forming a double [...] helix extending to the left ventricle, where it attaches [...]to the aorta. asecho.org |
几何学设计用于恢复瓣叶结合和降低 因 左心室 扩 张而引起的二尖瓣反流（MR）。 edwards.com | Geometrically designed to restore leaflet coaptation and reduce mitral regurgitation (MR) caused by the [...] enlargement of the left ventricle More... edwards.com |
其它特征包括：连续最大化CRT疗法的工具，优 化 左心室 ( L V )阈 值并避免膈神经刺激，协助控制心衰(HF)进展的信息，还有一些独特技术提供了多种捕捉控制选择 和 左心室 起 搏极性选择，这一系列解决方案实现了连续、有效的双室起搏且不会引起并发症。 china.hospimedica.com | Among the other features of the device are tools to [...] continuously [...] maximize CRT therapy, features to optimize left ventricular (LV) thresholds and avoid phrenic nerve stimulation, information to help manage a patient’s heart failure (HF) progression, and unique [...]technologies that [...]provide a wide choice of capture control and LV pacing polarities as part of a range of solutions for continuous, effective, biventricular pacing without complications. hospimedica.com |
最常用的做法是应用先 前讨论过的几种方法之一测量容积，然后计 算 左心室 质量：将心外膜容积减去心内膜容积，再将该差值（心 肌容积）乘以 1.05 g/mL（心肌特异性密度），即求得 左心室质量。 asecho.org | LV mass is then calculated by subtracting the endocardial volume from the epicardial volume and multiplying this difference (the myocardial volume) by 1.05 g/mL, the myocardial-specific density. asecho.org |
线性法指在胸骨旁或剑 下短轴切面的二维短轴图像上测量短轴直径和室壁厚 度，计算 SF 和经心率校正的圆周肌纤维缩短率以 及左 心室收缩末期的室壁应力。 asecho.org | The linear method involves measurement of short-axis diameters and wall thickness and calculation of SF and the velocity of [...] circumferential fiber shortening [...] adjusted for heart rate and end-systolic wall stress from 2D short-axis images obtained in parasternal or subxiphoid [...]short-axis views. asecho.org |
扭转（torsion）是指以左室长轴为中心 ， 从 心 底 -至 心尖旋转 角度的梯度，单位为度/厘米。 asecho.org | The term torsion refers to the [...] base-to-apex gradient in the rotation angle along [...] the long axis of the left ventricle, expressed in degrees per [...]centimeter. asecho.org |
但 人工主动脉瓣置换术后，以及心输出 量增加 或 左室 流 出 道 (LVO)狭窄的患者，瓣膜附近的流速升高（>1.5m/s），因 [...] 此这个流速不能再被忽视。 asecho.org | In patients with [...] aortic prostheses and high cardiac output or narrow LV outflow [...](LVO), the velocity proximal to the prosthesis [...]may be elevated and therefore not negligible (proximal velocity > 1.5 m/s). asecho.org |
心内膜下心 肌主要产生左室长轴 方向上的机械做功，而中层心肌和心外 膜下心肌产生旋转运动。 asecho.org | Similarly, the [...] short-axis cuts of the left ventricle should be circular [...]shaped to assess the deformation in the anatomically [...]correct circumferential and radial directions. asecho.org |
造影剂也适用于评价肥厚型心肌病与 左室 致 密 化 不全，或用于增强较弱的频谱多普勒信号，或怀 疑左室血栓时使用。 asecho.org | Contrast should also be used to assess [...] conditions such as apical [...] hypertrophic cardiomyopathy, noncompaction of the left ventricle, for enhancement [...]of poor spectral Doppler [...]signals, or when left ventricular (LV) thrombus is suspected. asecho.org |
在這樣的制度下，民意才可以較全 面地被吸納，並透過一條穩定的紐帶，被帶進權力 中 心 ， 左 右 施 政。 legco.gov.hk | This is the system that allows public opinion to be taken on board in a more comprehensive manner, and [...] that provides a steady link through which public opinion will be [...] related to the power core to influence administration. legco.gov.hk |
超声心动图影像 [...] 瓣膜置换术后患者的超声心动图评价包括心腔大小 、左 室心肌厚 度和心肌质量以及左室收缩和舒张功能指数的标 [...]准测量与评价（详见 ASE 相关指南[10] ）。 asecho.org | The echocardiographic assessment of patients with prosthetic valves [...] includes standardized measurement and evaluation [...] of the size of cardiac chambers, LV wall [...]thickness and mass, and indices of LV [...]systolic and diastolic function per guidelines of the ASE.10 In patients with aortic prostheses, measurements of the aortic root and ascending aorta are recommended. asecho.org |
这个中心将与一个由 400 左右专业机构和团体组 成的合作伙伴网络连接。 unesdoc.unesco.org | It is connected to a network of partners comprising approximately 400 organizations and specialized institutions. unesdoc.unesco.org |
这些指征可能提示不同种类的结构性先心 病，诸如心内左向右 或右向左分流、梗阻性病变、 反流性病变、大血管转位性病变、体静脉或肺静 脉连接异常、圆锥动脉干 异常、冠状动脉异常、 功能性单心室、以 及其他复杂畸型，诸如偏侧器 官 异 常 ( 内脏异位/ 异房同相） (heterotaxy/isomerism）等。 asecho.org | These may suggest categories of [...] structural congenital heart disease including intracardiac left-to-right or right-to-left shunts, obstructive lesions, regurgitant lesions, transposition physiology, abnormal systemic or pulmonary venous connections, conotruncal anomalies, coronary artery anomalies, functionally univentricular hearts, and other complex [...]lesions, including abnormal [...]laterality (heterotaxy/isomerism). asecho.org |
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阜外心血管病医院高展等回顾性总结191例三支病 变 左室 射 血 分数（LVEF）<40%的接受经皮冠状动脉介入治疗（PCI）患者，与同期4144例LVEF≥40%比较，结果发现LVEF <40%是主要心脏不良事件、心源性死亡、心肌梗死的独立危险因素，但不是靶血管血运重建的危险因素。 chinese.eurekalert.org | Among patients undergoing [...] percutaneous coronary intervention for multivessel coronary artery disease, left ventricular dysfunction remains [...]associated with [...]further risk of cardiac death in-hospital and during long-term follow-up, reported in Chinese Medical Journal by doctor Zhan Gao and his colleagues, Cardiovascular Institute & Fu Wai Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College. chinese.eurekalert.org |
容量计算方法包括：（1） 在相同的二维或三维短轴图像上测量面积；（2） 在心 尖四 腔或剑下长轴切面的二维或三维长轴图像上测量 长轴长度；（3）应用二维或三维的测量结果计 算 左室 容量、EF 和左室质量。 asecho.org | The volumetric method involves (1) measurement of areas from the same 2D or 3D short-axis [...] images; (2) [...] measurement of long-axis lengths from 2D or 3D long-axis images obtained in apical 4-chamber or subxiphoid long-axis views; and (3) calculation of volumes, EF, and mass using 2D or 3D measurements. asecho.org |
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