definition pulmonary embolism
pulmonary embolism-blockage of the pulmonary artery by foreign matter or by a blood clot. embolus-an abnormal particle (e.g. an air bubble or part of a clot) circulating in the blood. Translations.
Pulmonary embolus: A blood clot or foreign material that has been carried through the blood into the pulmonary artery or one of its branches, plugging the vessel.