Describe the valvular anatomy of the heart and list etiologies for valvular heart disease.

描述心瓣膜的解剖功能，并举出有关瓣膜性心脏病的病因。

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The diseases of heart are representing pericarditis, myocarditis and valvular disease.

其心脏病变可表现为心包炎，心肌炎、心瓣膜病等。

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Objective To evaluate the characteristics of echocardiogram in senile degenerative heart valvular disease.

目的探讨老年人退行性心脏瓣膜病的超声心动图特点。

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In England, Scotland and Wales, patients with angina, valvular heart disease, a heart murmur or heart failure do not have to tell the Driver and Vehicle Licensing Agency (DVLA) and can continue to drive a car a month after an episode as long as their doctor says they are fit to.

BBC: Car seat with heart monitor could prove a life-saver