biventricular pacemaker
noun [ C ] medical specialized uk/baɪ.venˌtrɪk.jə.lə ˈpeɪs.meɪ.kər/ us/ˌbaɪ.venˈtrɪk.jə.lɚ ˈpeɪsˌmeɪ.kɚ/
双心室起搏器
an electronic device that is put under the skin with wires placed in the heart to help it beat more efficiently