venogram
- n an X ray of a vein injected with a radiopaque contrast medium
- A venogram, X rays of a vein injected with an iodine compound, revealed clots in Nixon's left leg in areas other than the femoral vein above the knee, where some of his previous .
- After consultation and another venogram of their patient, the medicalmen agreed that immediate surgery was essential to keep the clots from breaking off and moving upward to .