Pulmonary embolism

Usually, a pulmonary embolism is caused by a blood clot travelling up from one of the deep veins in your body, usually in the leg. On this page, we explain what causes a pulmonary embolism and the risk factors for having a pulmonary embolism.

If you’re suspected to have a pulmonary embolism (PE) you should have an assessment to confirm the diagnosis. On this page we explain the different tests you might have if you’re suspected to have a pulmonary embolism.

The best way to prevent a pulmonary embolism is to try and stop blood clots forming in your veins. On this page we explain what you can do to avoid getting a pulmonary embolism.

A pulmonary embolism happens when a blood vessel in your lungs becomes blocked. We explain what a pulmonary embolism is, what the common symptoms are and when you should seek medical help.

Read how a pulmonary embolism is often treated. We also have information on recovering from a pulmonary embolism and what you should expect.