Venous Thromboembolism is the blood clot in the vein. It is related to two life-threatening conditions:

Deep vein thrombosis; is a clot in a deep vein, usually in the leg.

Pulmonary embolism; is a DVT clot that breaks free from a vein wall which travels to the lungs and blocks some or all of the blood supply. A Blood clot present in thigh is more likely to travel to the lungs than blood clots in the lower leg or other parts of the body.

The causes of VTE

Blood clots form when due to some reason there is slows or changes in the flow of blood in the veins. These clots can form in, or travel through the arteries or veins in the brain, heart, kidneys, lungs and limbs. They may cause heart attack, stroke, and damage to the body organs or even resulting death. Clotting is more likely to happen in the people who:

Smoke cigarettes

Take the estrogens or birth control pills

Have conditions like having cancer or autoimmune disorders such as lupus

Obesity gain in mass

It is also more likely in the people whose blood is thicker than normal because too many blood cells are made by the bone marrow.

A genetic, or inherited may be source of excessive blood clotting

VTE is most common in adults who are 60 and older but they can occur at any age

Symptom and Diagnosis of VTE

VTE includes the deep vein thrombosis when a blood clot forms in a deep vein which is usually in the leg. And it includes pulmonary embolism when the clot breaks off and travels from the leg up to the lungs. DVT and PE are serious can be life-threatening conditions that require immediate medical attention.

DVT mainly affects the large veins in the lower leg and thigh which are always on one side of the body. The clot can block the blood flow and cause:

Changes in the skin color i.e. redness

Leg pain or tenderness especially in the calf

Leg swelling i.e. edema

Skin that feels warm when the touched

PE or pulmonary embolism can be fatal and occurs when the DVT breaks free from the vein wall and blocks some or all of the blood supply to the lungs thus leading to: 

Unexplained shortness of the breath

Rapid breaths

Chest pain that may be worse upon taking deep breaths

Rapid heart rates

Even in some case passing out

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