What does VTE (blood clots in the legs and lungs) risk assessment involve, and who should be assessed? According to the World Health Organization, VTE (blood clots in the legs and lungs) is the leading cause of preventable death in hospitals worldwide.In fact, up to 60 percent of VTE clots strike patients when they are in the hospital or soon after discharge.Hospitalization, whether admitted for surgery, illness or other medical reasons, is a leading risk factor for VTE. Patients should understand what a blood clot can look or feel like so they can be their best advocate: In the legs: pain/tenderness often starting in the calf; swelling including the ankle or foot; redness, noticeable changes in color and/or warmth in the leg. In the lungs: unexplained shortness of breath or rapid breathing; chest pain (sometimes worse upon a deep breath); rapid heart rate; and/or light headedness or passing out. Listen in as Nigel Key, MD, shares the important information you need to know about staying in the hospital and your VTE risk.