Can deep vein thrombosis or embolus kill you?

Yes: A deep vein thrombosis or DVT is a clot in the deep veins. This usually refers to the legs but can certainly occur elsewhere. If a DVT breaks off and travels through the blood stream it could end up in the lungs. This is a pulmonary embolus and this can be lethal. Treatment is with anti coagulation. Sometimes we are asked to place a filter in the vena cava to prevent pulmonary embolus.

DVT: A deep vein thrombosis usually arises from the veins in the leg. If a fragment or the entire clot dislodges, it can travel to the right side of the heart, either blocking blood flow in the heart or the clot can travel the pulmonary artery to the lungs, where it can block the flow of blood to the entire lung or a portion thereof. The phenomenon of embolism to heart or lungs can be fatal.

Yes: A clot that develops in the deep veins of the upper legs can break loose and go through the heart and lodge in the lungs and cause death. Pulmonary embolus.

Yes: If clot to lungs (pulmonary arteries) large enough.