atrial flutter
noun [ U or C ] medical specialized uk/ˌeɪ.tri.əl ˈflʌt.ər/ us/ˌeɪ.tri.əl ˈflʌt̬.ɚ/
心房扑动
a problem in which the heart beats very fast and often in a way that is not regular, so that it does not send out blood effectively. Atrial flutter is often found with other types of heart disease and frequently develops into atrial fibrillation.
Her ECG showed atrial flutter. 电图显示出她有心房扑动的症状。