atrial fibrillation
noun [ U ] medical specialized uk/ˌeɪ.tri.əl fɪb.rɪˈleɪ.ʃən/ us/ˌeɪ.tri.əl ˌfɪb.rəˈleɪ.ʃən/ (abbreviation AF)
心房颤动，心房纤颤
a problem in which the heart beats faster than normal and in a way that is not regular, resulting in the atria (= the top spaces) of the heart not emptying properly
Patients with atrial fibrillation may be fitted with pacemakers. 罹患心房颤动的病人可能适合置入起搏器。