sinistrocardia

例句：

1. 1. The doctor ordered an X-ray to check the patient's sinistrocardia.
   医生要求做X光检查来查看患者的心脏正位。
2. 2.During surgery, the surgeon carefully observed the patient's sinistrocardia for any abnormalities.
   在手术过程中，外科医生仔细观察了患者的心脏正位，以寻找任何异常情况。
3. 3. The patient's sinistrocardia was normal, which relieved the doctor's concerns.
   患者的心脏正位正常，这让医生松了一口气。