Pulmonary Embolism (cont.)
IN THIS ARTICLE
The symptoms of pulmonary embolism may include:
Pulmonary embolism may be hard to diagnose because its symptoms may occur with or are similar to other conditions, such as a heart attack, asthma, a panic attack, or pneumonia. Also, some people with pulmonary embolism don't have symptoms.
If a large blood clot blocks the artery in the lung, blood flow may be completely stopped, causing sudden death. A smaller clot reduces the blood flow and may cause damage to lung tissue. But if the clot dissolves on its own, it may not cause any major problems.
Symptoms of pulmonary embolism usually begin suddenly. Reduced blood flow to one or both lungs can cause shortness of breath and a rapid heart rate. Inflammation of the tissue covering the lungs and chest wall (pleura) can cause sharp chest pain.
Without treatment, pulmonary embolism is likely to come back.
Complications of pulmonary embolism
Complications of pulmonary embolism may include:
Doctors will consider aggressive steps when they are treating a large, life-threatening pulmonary embolism.
Chronic or recurring pulmonary embolism
Blood clots that cause pulmonary embolism may dissolve on their own. But if you have had pulmonary embolism, you have an increased risk of a repeat episode if you do not receive treatment. If pulmonary embolism is diagnosed promptly, treatment with anticoagulant medicines (usually heparin and warfarin) may prevent new blood clots from forming.
The risk of having another pulmonary embolism caused by something other than blood clots varies. Substances that are reabsorbed into the body, such as air, fat, or amniotic fluid, usually do not increase the risk of having another episode. Cancer increases the risk of blood clots.
Having multiple episodes of pulmonary embolism can severely reduce blood flow through the lungs and heart. Over time, this increases blood pressure in the lungs (pulmonary hypertension), eventually leading to right-sided heart failure and possibly death.
eMedicineHealth Medical Reference from Healthwise
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