心房扩张 meaning in Chinese

atrial dilatation
dilated auricle

Left ventricular failure results in distention of the left atrium, engorgement of the pulmonary veins .
左心室衰竭导致左心房扩张，肺静脉充盈。
Amiodarone prevent electrophysiological changes of acute atrial dilation accompanied with rapid atrial stimulation in isolated langendorff - perfused rabbit heart
离体兔心脏急性双心房扩张合并快速心房刺激时电生理变化及胺碘酮的干预作用