Explanation: Deep Vain Thrombosisoccurs when a blood clot forms in a vein located deep inside your body. Deep vein blood clots typically form in your thigh or lower leg, but they can also develop in other areas of your body. A blood clot is a clump of blood that's turned to a solid state. In most cases, pulmonary embolism is caused by blood clots. Pulmonary embolism is a blockage in one of the pulmonary arteries in your lungs.
