[Treatment course]
Essential strategies were taken for her, however, she failed to revert
to sinus rhythm with a reduction of heart rate to about 80 bpm, until
the tenth day of treatment, she reverted to sinus rhythm which was
unable to maintain and with a heart rate of 44 bpm. Considering the
refractory AF and history of electric defibrillation, therefore, she
accepted therapy of AVJA combined with LBBP and implantation of
defibrillation electrodes.