bradyrhythmia

例句：

1. 1. The patient's heart rate was slow and irregular, which made it difficult for him to breathe.
   病人的心率慢且不规则，这使得他呼吸困难。
2. 2.During the night shift, she noticed that some patients had bradyrhythmia, which could be dangerous.
   在夜班期间，她注意到一些病人有缓慢的心律不齐，这可能很危险。
3. 3.The doctor prescribed medication to help regulate the patient's heart rate and prevent further bradyrhythmia.
   医生开了药来帮助调节病人的心率，以防止进一步的缓慢心律不齐。