shǐ / yòng / gān / sù / qián / yī / shēng / huì / xiān / liǎo / jiě / bìng / rén / de / shēn / tǐ / zhuàng / kuàng使用肝素前,医生会先了解病人的身体状况。Before using heparin, the doctor will first assess the patient's condition.