MEDICINE
CARDIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which statement about aortic dissection is not correct?
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it is separation of the aortic intima
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stanford type A dissection defines as involvement of the ascending aorta
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stanford type B dissection defines as involvement distal to the left subclavian artery
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branch vessels involvement may increase mortality and morbidity
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Explanation:
Detailed explanation-1: -Aortic dissection is a tear in the aortic intima that enables blood to force its way between the other layers of the vessel wall, forming an intimal flap that divides the aorta into a true and false lumen.
Detailed explanation-2: -Magnetic Resonance Imaging It is the most sensitive method for diagnosing aortic dissection and has similar specificity to CT.
Detailed explanation-3: -Aortic dissection is due to the separation of the layers of the aortic wall. A tear in the intimal layer results in the progression of the dissection (either proximal or retrograde) chiefly due to the entry of blood in between the intima and media.
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