The blood clots that most often cause PEs begin in the legs or pelvis. Blood clots in the deep veins of the body can have several different causes, including :. There are additional risk factors that increase your odds of having the type of blood clot that can cause PE. PE has a wide variety of characteristics, ranging from no symptoms to sudden death.
The most common presenting symptom is shortness of breath followed by chest pain and cough. However, many people with PE have mild or nonspecific symptoms or are asymptomatic, including people with a large PE. A doctor will typically perform one or more of the following tests to discover the cause of your symptoms:.
Acute PE, a blockage in the lung artery, often from a blood clot, is a common and sometimes fatal disease. Read more: Learn about the risks of DVT. Your treatment for a PE depends on the size and location of the blood clot. If the problem is minor and caught early, a doctor may recommend medication as treatment. Some drugs can break up small clots. Some procedures a doctor may use in the case of a pulmonary embolism include :.
Regularly exercising your legs and practicing health-promoting behaviors are key components of prevention and therapy after a PE. A doctor will give you complete instructions on how to care for yourself to prevent future blood clots. A pulmonary embolism occurs when a blood clot reaches the lungs.
These blood clots often come from deep vein thrombosis, which can result from damage to bone and muscle or from long periods of inactivity. A doctor will typically prescribe medications that thin the blood and, in certain cases, use medications that break up blood clots. Clots also can form in the deep veins of the arms or pelvis. Clinical trials are research studies that evaluate a new medical approach, device, drug, or other treatment. As a Stanford Health Care patient, you may have access to the latest, advanced clinical trials.
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Forgot Username or Password? Vena cava filter Pulmonary embolectomy Percutaneous thrombectomy Anticoagulants Thrombolytic therapy. When you have obstructions in the arteries inside your lungs, your heart must work harder to push blood through those vessels, which increases blood pressure and eventually weakens your heart.
In rare cases, small emboli occur frequently and develop over time, resulting in chronic pulmonary hypertension, also known as chronic thromboembolic pulmonary hypertension. Preventing clots in the deep veins in your legs deep vein thrombosis will help prevent pulmonary embolism. For this reason, most hospitals are aggressive about taking measures to prevent blood clots, including:.
The risk of blood clots developing while traveling is low, but increases as long-haul travel increases. If you have risk factors for blood clots and you're concerned about travel, talk with your doctor. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission.
This content does not have an English version. This content does not have an Arabic version. Overview Pulmonary embolism Open pop-up dialog box Close. Pulmonary embolism Pulmonary embolism PE occurs when a blood clot gets lodged in an artery in the lung, blocking blood flow to part of the lung.
Request an Appointment at Mayo Clinic. Blood clot in leg vein Open pop-up dialog box Close. Blood clot in leg vein A blood clot in a leg vein may cause swelling, pain, warmth and tenderness in the affected area. Share on: Facebook Twitter. Show references Venous thromboembolism.
National Heart, Lung, and Blood Institute. Accessed Nov. Pulmonary embolism PE. Merck Manual Professional Version. Nonthrombotic pulmonary embolism. Venous thromboembolism blood clots.
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