Embolism is the sudden obstruction of a blood vessel by a clot or any foreign material formed or introduced elsewhere in the circulatory system and carried to that point by the bloodstream.
air e. The presence of air bubbles in the blood vessels.
amniotic fluid e. A rare complication of childbirth in which amniotic fluid
enters the blood circulation of the woman in labor through ruptured uterine veins, causing hemorrhage, shock, pulmonary embolism and, frequently, maternal death; principal predisposing factors include tumultuous uterine contractions and premature detachment of the placenta.
fat e. The presence of fat globules in the blood.
paradoxical e. The presence in an artery of an embolus that originated in a vein, having passed to the arterial circulation through a septal defect in the heart.
pulmonary e. The plugging of pulmonary arteries with fragments of a thrombus, most frequently from the leg after an operation.
septic pulmonary e. The lodging in a pulmonary artery of an infected thrombus that has become detached from its site of origin.