long QT syndrome
noun [ U ] medical specialized uk/lɒŋ kjuːˈtiː ˌsɪn.drəʊm/ us/ˈlɔŋ ˌkjuːˈtiː ˌsɪn.droʊm/
长QT综合症
a condition affecting the electrical activity of the heart, causing a very fast heart rhythm and sometimes resulting in sudden death
Long QT syndrome can cause sudden loss of consciousness. 长QT综合症可导致突发性失去知觉。