左心室扩张，意味着心脏的左心室变大。

Left ventricular dilation, meaning the heart's left ventricle is larger.

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目的：探讨肥厚型心肌病(HCM)的命名伴心室扩张和心力衰竭的可能原因。

Objective: The nomenclature and possible cause of hypertrophic cardiomyopathy (HCM) with ventricular dilatation and heart failure were explored.

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通常每分钟心脏会收缩和扩张70至80次，每次心跳会给四个心室供应一股新鲜的血液。

Normally the heart contracts and relaxes between 70 and 80 times per minute, each heartbeat filling the four Chambers inside with a fresh round of blood.

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