A pulmonary embolism is usually caused by a clot that stops branching blood supplying the lungs. It occurs in 90% of cases due to phlebitis. Phlebitis is a clot blocking a vein of lower limb and is often asymptomatic.
The clot that detaches from a vein travel in the vascular system and can reach the heart. From the heart, the clot moves into the pulmonary artery. Then it can clog the artery or its branches.
Pulmonary embolism can also occur after surgery. It is marked by chest pain, sweating and falling blood pressure. Anticoagulant therapy can improve within 48 hours. The patient is then placed for some time under observation.
A risk factor in the immobilization leads to stagnation of blood in the veins promotes the formation of a clot. Products anticoagulants are often prescribed for bedridden patients.
It is suggested to walk a few steps every 2 hours if possible.
13 avril 2010
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