implantable cardioverter defibrillator post-adjustment right ventricular pacing threshold elevated due to lead malfunction
implantable cardioverter defibrillator post-adjustment right ventricular pacing threshold elevated due to lead malfunction
implantable cardioverter defibrillator post-adjustment right ventricular pacing threshold elevated due to lead malfunction
implantable cardioverter defibrillator post-adjustment right ventricular pacing threshold elevated due to lead malfunction