Exam 3 study guide

Question 1

Surgical intervention for aortic anx is required at what threshold

Answer 1

diameter>5.5

Question 2

Aortic Dissection is a catastrophic event that requires immediate surgical intervention because?

Answer 2

mortality of 1-2 % per hour within the first 48 hours

Question 3

Aneurysm= _______ increase in diameter compared with normal, or greater than ______ cm in diameter

Answer 3

50%

3 cm

Question 4

Initiating event of an aortic dissection is

Answer 4

tear in the intima

Question 5

Most common point of origin for aortic dissection is?

Answer 5

Thorax

Question 6

Aneurysm Risk Factors are?

Answer 6

Hypertension
Atherosclerosis
Older age
Males
Family history of aneurysmal disease
Smoking

Question 7

Dissection causes are

Answer 7

Hypertension
Smoking that crack
Deceleration injuries
Iatrogenic: Aortic cannulation, cardiac cath, cross-clamping, aortic manipulation, arterial incision

Question 8

Aortic disections are more common in?

Answer 8

Males

Pregnancy

Question 9

1/2 of all aortic dissections in women younger than 40 occur during

Answer 9

3rd trimester of pregnancy

Question 10

Type II crawford thoracic anx classification present most significant perioperative risk including _________ and/or _________ following surgery

Answer 10

paraplegia

renal failure