right bundle branch block

例句：

1. 1. The patient's heart rate is normal, but there is a right bundle branch block.
   患者的心率正常，但有右束支阻滞。
2. 2. The doctor diagnosed the patient with a right bundle branch block.
   医生诊断患者为右束支阻滞。
3. 3.Right bundle branch block can lead to chest pain and shortness of breath.
   右束支阻滞可能导致胸痛和呼吸困难。