Infections1

Question 1

Mycotic aneurysms are usually caused by

Answer 1

bacteria

Question 2

What are the most common bacteria seen in mycotic aneurysms

Answer 2

Staph aureus, staph epidermidis, salmonella, streptococcus

Question 3

Infections most commonly cause what type of aneurysms

Answer 3

saccular

Question 4

Patients with syphilis MC have aneurysms where

Answer 4

aortic arch and ascending aorta

Question 5

Why does syphilis cause aneurysms

Answer 5

attacks the vaso-vasorum causing ischemia and decreasing elasticity

Question 6

Define aortitis

Answer 6

transmural inflammation and subsequent fibrosis

Question 7

What cells are found histologically in fibrosis

Answer 7

lymphocytes, plasma cells, giant cells

Question 8

Is Takayasu’s a type of aortitis

Answer 8

yes

Question 9

List types of aortitis

Answer 9

Takayasus, Giant cell, rheumatoid arthritis, ankylosing spondylitis

Question 10

Define Takayasu’s

Answer 10

intimal thickening and medial necrosis

Question 11

Define pseudoaneurysm

Answer 11

chronic leaks contained by surrounding tissue and fibrosis- wall is a thrombus