aortic valve disease       
noun [ C or U ]  medical specialized uk/eɪˌɔː.tɪk ˈvælv dɪˌziːz/ us/eɪˈɔr.t̬ɪk ˈvælv dɪˌziːz/
 主动脉瓣疾病
a condition in which the valve between the heart and the aorta (= the body's largest artery) does not work properly
  Untreated aortic valve disease can lead to heart failure. 主动脉瓣疾病如不及时治疗可能引起心脏衰竭。