Preventing a deep vein thrombosis, also known as a DVT, is vital. A DVT is a blood clot that forms in the deep veins of the legs most commonly, but it can also occur in the veins of the upper extremities. That's because the blood clot, which usually forms in a calf or thigh deep veins, can partially or completely block blood flow back to the heart and cause damage to the one-way valves in the veins. The clot can also break free and travel through the blood to major organs, such as your lungs -- which can be fatal. This is called a pulmonary embolism.
About 350,000 Americans are diagnosed with DVT and pulmonary embolism each year, although it is estimated that some 300,000 more adults have undiagnosed DVT/PT. The condition has a 6%-12% mortality rate. If you're at risk, there is much you can do to prevent DVT.
Deep vein thrombosis (DVT) occurs when a blood clot forms in a vein deep inside a muscle in your body. It usually happens in legs, but can also develop in your arms, chest, or other areas of your body. And though DVT is not common, it can be dangerous. The blood clot can block your circulation or lodge in a blood vessel in your lungs, heart, or other area. The clot can cause severe organ damage and even death -- within hours.