Most common cause of an aortic aneurysm is –
Correct Answer: Atherosclerosis
Description: An aneurysm
An aneurysm is a localized abnormal dilatation of a blood vessel or the wall of the heart.
When an aneurysm is bounded by the true arterial wall, it is called a true aneurysm.
When wall is ruptured and there is a collection of blood outside the vessel wall (extravascular hematoma) that is freely communicating with vessel wall false aneurysm. Most common cause of a false aneurysm is posted myocardial infarction rupture.
An aneurysm due to an infection that causes weakening of vessel wall → mycotic aneurysm.
The two most important causes of an aortic aneurysm (not only abdominal part but in any part of the aorta) are atherosclerosis and cystic medial degeneration of arterial media.
Category:
Pathology
Get More
Subject Mock Tests
Practice with over 200,000 questions from various medical subjects and improve your knowledge.
Attempt a mock test nowMock Exam
Take an exam with 100 random questions selected from all subjects to test your knowledge.
Coming SoonGet More
Subject Mock Tests
Try practicing mock tests with over 200,000 questions from various medical subjects.
Attempt a mock test now