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WorksheetsAortic Dissection
Total questions: 14
Worksheet time: 8mins
According to the following classification, what part of the aorta does this dissection involve - Standford A, DeBakey II
Ascending + descending aorta
Ascending aorta only
Descending aorta only
Descending aorta, above the diaphragm only
Classify the following dissection -
Stanford A, DeBakey II
Stanford A, DeBakey I
Stanford B, DeBakey II
Stanford B, DeBakey III
Define a type A Stanford aortic dissection
A dissection of the ascending aorta including a segment with the branching of the brachiocephalic trunk
Involves any part of the aorta proximal to the origin of the L) subclavian artery
A dissection of the ascending aorta and descending aorta
A dissection of the descending aorta distal to the branching of the brachiocephalic trunk
Select all considered risk factors for aortic dissection
Atherosclerosis
Connective tissue disorders
Ciprofloxacin use
HTN
Pregnancy
How many aortic dissections involve the ascending aorta?
5%
60%
82%
23%
How often is evidence of end-organ damage found at clinical presentation of the aortic dissection?
90%
8%
27%
62%
What percentage of patients presenting with aortic dissection have normal CXRs?
12-15%
45-55%
75-80%
25-30%
Select the following correct signs that may be seen on plain radiograph in aortic dissection
Widened mediastinum of >8.0-8.8cm at the level of the aortic knob on AP view
Deviation of mediastinal structures
Inward displacement of atherosclerotic calcification
Irregular aortic contour
Apical capping
Which statement is false in regards to CTA findings of the false lumen?
Often has a smaller lumen size due to higher true luminal pressures
Is at risk of rupture due to reduced elastic recoil and dilation
The L) renal artery usually arises from the false lumen
Is often of lower contrast density due to delayed opacification
Select the incorrect answer - Stanford type A dissections are generally managed surgically as they may result in the following complications
Coronary artery occlusion
Mesenteric ischaemia
Aortic incompetence
Cardiac tamponade
CT demonstrates a Stanford type A, DeBakey I dissection, who you gonna call?
Vascular
No one - you got this
Cardiothoracic
Ghostbusters
What medication is used in the FIRST line management of aortic dissection?
Labetalol
Nitroprusside
Verapamil
Nifedipine
What is the in-hospital mortality rate of aortic dissections (despite BP control and surgical intervention)?
15-20%
45-55%
10-35%
55-70%
In what year was the first successful surgical management of aortic dissection?
1988
1992
1970
1955
