atrial siphon

例句：

1. 1. The patient was diagnosed with atrial fibrillation and required immediate treatment.
   患者被诊断为心房颤动，需要立即治疗。
2. 2. During surgery, the surgeon performed atrial pulmonary shunt to improve oxygenation.
   在手术中，外科医生进行了心房肺分流以改善氧合。
3. 3. Atrial fibrillation is a common condition that can lead to stroke and heart failure.
   心房颤动是一种常见的状况，可能导致中风和心脏病发作。