The most common cause of pulmonary embolism is deep venous thrombosis of lower extremities. Other causes may be pelvic vein thrombosis.
Risk factors for pulmonary embolism
Genetic predisposition (presence of a direct relative who had thromboembolism)
Coagulation disorders - with an increased risk of blood clots in the blood Heavy surgery - a long postoperative period, which increases the risk of deep vein thrombosis
Fractures of the pelvis and hips (where there is danger, too, and fat embolism - blockage mikrokapelkami intraosseous fat)
Pregnancy and the postpartum period - while the incidence of thromboembolic events increased by five times, the reason is the presence of the organism in certain hormonal levels, which changes blood clotting, the pregnant uterus pressure on large veins, as well as after birth - the presence of extensive wounds, which thrombosing Heart disease (eg mitral valve defect, atrial fibrillation)
Varicose veins - in this case there is increased risk of blood clots in varicose veins
The presence of myocardial infarction or stroke in the past