Pulmonary embolism (PE) occurs when a piece of a blood clot breaks loose into the blood stream and travels to the lungs causing a blockage in a blood vessel in the lungs.
If left untreated, about 1 in 10 people with a DVT will develop a pulmonary embolism.
Some of the signs and symptoms of a PE include:
A pulmonary embolism requires urgent investigation and treatment.
Seek immediate medical attention if you develop breathlessness and chest pain.