atrial thrombosis

例句：

1. 1. He was diagnosed with atrial thrombosis after the heart surgery.
   他在心脏手术后被诊断出心房血栓形成。
2. 2.The patient's condition worsened due to the atrial thrombosis.
   由于心房血栓形成，患者的病情恶化了。
3. 3.Atrial thrombosis is a serious complication of heart disease.
   心房血栓形成是心脏病的一种严重并发症。