What Is Acute Pulmonary Embolism?
Acute pulmonary embolism (PE) is the obstruction of lung blood vessels, usually by a blood clot.
A pulmonary embolism can:
- Block blood flow into the lungs and can be life threatening
- Form in the legs, break loose and then travel to the lung
Pulmonary embolism risks: blood clot
The following can increase the risk of developing blood clots that could cause pulmonary embolism (PE):
- Inactivity for long periods — such as following surgery or hospitalization, or during a long flight or car trip
If the blood clot is large enough, it may lead to sudden death.
Smaller clots can reduce the blood flow to the lungs and might cause: