Embolism Flashcards
1
Q
Emboli definition
A
Movement of abnormal material not mixing with blood from site of apparition to another part of the body
2
Q
Why can’t emboli occur in veins ?
A
Because embolus goes from areas of large diameter to small diameter which is not the case in venous circulation
3
Q
Types of emboli
A
Thrombus ( 90% of cases) Lipids droplets Gas Fragments of bone marrow brain or liver. Atheromatous plaques Tumeurs fragments Parasites Bullets
4
Q
Pulmonary embolism origin
A
Right side of heart or venous thrombosis
5
Q
Paradoxical embolus
A
Septal defect leading to passage of venous thrombosis to arterial circulation
6
Q
Fate of pulmonary emboli
A
If small can be lysed
Can be organized and incorporated into vascular wall
Acute respiratory disorder if large
Sudden death if massive ( right heart failure)
7
Q
Origin of most of systemic thromboembolism
A
Heart
Atheromatous plaques in aorta
