EMBOLISM

Posted by DAM on February 1, 2012 in CIRCULATORY DISTURBANCES | Short Link
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EMBOLISM

Definition:

It is the circulation of undissolved material known as embolus and its impaction in small arteries. Embolism occurs only in arteries, never in veins except in the portal veins.

Type of emboli:

1- Detached part of a thrombus:

Non-infected thrombotic emboli lead to infarction while infected ones lead to pyemia.

2- Tumor emboli: formed of malignant cells that produce secondary deposits in distant organs known as metastases.

3- Parasitic emboli: e.g. Bilharzial ova.

4- Air emboli: This occurs in cut wounds in the neck.

5- Fat emboli: in fracture of bone and in marked fatty change.

6- Atheromatous emboli.

7- Amniotic fluid emboli: fatal.

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