The Centers for Disease Control and Prevention estimates that as many as 900,000 Americans are affected by deep vein thrombosis (DVT) and pulmonary embolism (PE), and up to 100,000 die from these conditions every year.” These conditions are dangerous, and may sometimes develop without warning. DVT is the formation of a blood clot in the deep veins in the body, and a pulmonary embolism is a serious–sometimes fatal–complication of DVT when the clot travels to the lungs. Read here to learn more about common risk factors and symptoms of DVT and and click here to learn more about PE. Health-related information on this website including text, graphics, images, and other material is for educational purposes only and therefore not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition. If you think you may have a medical emergency, call your doctor or 911 immediately.