Warfarin is a medicine that makes your blood less likely to form clots. It is important that you take warfarin exactly as you have been told. Changing how you take your warfarin, taking other medicines| medlineplus.gov
Spinal fusion is surgery to permanently join together two or more bones in the spine so there is no movement between them. These bones are called vertebrae.| medlineplus.gov
Hip fracture surgery is done to repair a break in the upper part of the thigh bone. The thigh bone is called the femur. It is part of the hip joint.| medlineplus.gov