[en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] English [en] [en] III [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] English [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] Third-degree atrioventricular block [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en] [en]