1. The doctor ordered a venogram to evaluate the patient's venous circulation.
医生要求进行静脉造影术以评估患者的静脉循环。
2. During the venogram, a contrast dye is injected into the patient's veins to highlight any potential blockages.
在静脉造影术过程中，将对比剂注射到患者的静脉中，以突出任何潜在的阻塞情况。
