When blood moves too slowly in your veins, it can cause a clump of blood cells (a blood clot or Thrombus). Deep vein thrombosis (DVT) is a condition in which a blood clot forms in the deep vein located in the leg, thigh, or pelvis. While Deep vein thrombosis (DVT) is common in the lower leg, it can also develop in other body parts, including the arms. So, how do blood clots form in the veins, and is it dangerous?
To answer this, let us look at how the blood circulates in the body. The blood circulatory system consists of two blood vessels, namely the arteries and veins. The arteries carry blood rich in nutrients and oxygen from the heart, while the veins carry the deoxygenated blood back to the heart. Arteries have thin muscles within their walls that make them capable of withstanding the pumping pressure from the heart. However, the veins have no muscle lining and entirely depend on the muscle movement to take the blood back to the heart.