Pulmonary embolus

A blood clot that has passed into and occluded the lung's pulmonary artery. An embolus causes an embolism. In this case, the embolus, a clot or foreign material, has been carried through the blood into the pulmonary artery or one of its branches, plugging the vessel.

Medical dictionary. 2011.

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  • Pulmonary embolism — Classification and external resources Chest spiral CT scan with radiocontrast agent showing multiple filling defects both at the bifurcation and in the pulmonary arteries. ICD 10 …   Wikipedia

  • Embolus — Something that travels through the bloodstream, lodges in a blood vessel and blocks it. Examples of emboli are a detached blood clot, a clump of bacteria, and foreign material such as air. A pulmonary embolus is a blood clot that has been carried …   Medical dictionary

  • Pulmonary embolism — The obstruction of the pulmonary artery or a branch of it leading to the lungs by a blood clot, usually from the leg, or foreign material causing sudden closure of the vessel. (Embolus is from the Greek embolos meaning plug.) The risk factors for …   Medical dictionary

  • pulmonary embolism — obstruction of the pulmonary artery or one of its branches by an embolus, usually a blood clot derived from phlebothrombosis of the leg veins (deep vein thrombosis). Large pulmonary emboli result in acute heart failure or sudden death. Smaller… …   The new mediacal dictionary

  • riding embolus — saddle embolus, straddling embolus an embolus at the bifurcation of an artery, blocking both branches. See illustration. See also saddle embolism, under embolism. Saddle embolus at the bifurcation of the pulmonary artery …   Medical dictionary

  • CT pulmonary angiogram — (CTPA) is a medical diagnostic test that employs computed tomography to obtain an image of the pulmonary arteries. Its main use is to diagnose pulmonary embolism (PE).Diagnostic useCTPA was introduced in the 1990s as an alternative to… …   Wikipedia

  • Embolism, pulmonary — The obstruction of the pulmonary artery or a branch of it leading to the lungs by a blood clot, usually from the leg, or foreign material causing sudden closure of the vessel. (Embolus is from the Greek embolos meaning plug.) The risk factors for …   Medical dictionary

  • chronic thromboembolic pulmonary hypertension — persistent pulmonary hypertension due to obstruction of a major pulmonary artery by an unresolved embolus …   Medical dictionary

  • bullet embolus — migration of a bullet within a blood vessel; arterial emboli cause ischemia and possibly limb amputation and venous emboli may travel to the pulmonary artery or heart, causing bacterial endocarditis, pericardial effusion, myocardiac irritability …   Medical dictionary

  • Embolism — The obstruction of a blood vessel by a foreign substance or a blood clot blocking the vessel. Something travels through the bloodstream, lodges in a vessel and plugs it. Foreign substances that can cause embolism include an air bubble, amniotic… …   Medical dictionary

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