This kind of pacemaker is more suitable for the bradytachycardia syndromes patient who has occasionally paroxysmal atrial fibrillation,and the DDI pacing does not affect the cardiac function of patients.

• 这种起搏器对房颤检出可靠，适用于有阵发性房颤发作的慢－快综合征患者，DDI起搏时对患者心功能影响不大。