Sometimes the pulmonary valve is completely obstructed ( pulmonary atresia ).

Esophageal atresia without tracheoesophageal fistula is a rare esophageal anomaly in children.

摘要食道闭锁无合并气管食道瘘管是一种罕见的先天性婴儿食道畸形.

Objective To explore the surgical treatment of congenital choanal atresia ( CCA ) .

目的探讨先天性后鼻孔 闭锁 的手术时机和手术方式.

Most ovarian follicles undergo an involutional process called follicular atresia.

大多数卵泡都经过退化变为闭锁卵泡.

In atrial fibrillation, the walls of the atria quiver instead of beating normally.

在房颤时, 心房不再正常收缩而变为颤动.

During diastole, the atria and ventricles of your heart relax and begin to fill with blood.

在心脏舒张期, 心房和心室会放松,血液开始流入心脏.

Healthy valves open and close coordination with the pumping action of your heart's atria and ventricles.

健康瓣膜的开合会严密配合心房与心室的泵血动作.

Dimethyltrilobine iodide ( DMT ) 1.5 M-M increased the contractile force of isolated guinea pig left atria.

碘化二甲基木防己碱 ( DMT ) 1.5μM可增加离体豚鼠左房肌的收缩力.

During diastole, the atria and ventricles of your heart relax and to with blood.

在心脏舒张期, 心房和心室放松,血液开始流入.

Of , relating to, or involving the atria and the ventricles of the heart.

关于心房 、 心室或影响心房、心室.

Two model atria with different bodily form coefficients were set up in the paper.

本文建立了两个不同体型系数的模型中庭实验台.

The atria then begin to relax.

然后心房开始放松.

Dilated cardiomyopathy affects the heart's ventricles ( VEN-trih-kuls ) and atria.

扩张性心肌病会影响心房和 心室.

First, the two upper chambers of the heart, called atria AY-tree-uh, contract.

首先, 心脏上不得两个腔室(心房)收缩.

The combined contraction of the atria and ventricles is a heartbeat.

心房和心室的这一系列动作合称为一次心跳.

Yet on maximal vagal stimulation, both atria and ventricles come to a standstill.

然而,以最大刺激作用于迷走神经时, 心房和心室都停搏.

Both atria are thinwalled muscular chambers.

两心房是由薄壁构成的空腔.

Conclusions-Atrial arrhythmias occurred in 15 % of adults with congenital heart disease.

结论 — 我们的研究结果显示15%的先天性心脏病成人患者会并发房性心律失常.

Howeer, ejection fraction and left atrial volume index stayed the same.

但是, 射血分数及左房容积仍然不变.

Each heartbeat has two basic parts: diastole and atrial and ventricular systole.

每一次心脏跳动都包含两个基本部分: 舒张期以及方式收缩期.

Objective : To investigate the relation between embolic event and left atrial thrombosis.

目的: 探讨栓塞事件与左房血栓之间的关系.