Type A dissection involving only the ascending aorta is classified as which DeBakey type?

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Study for the CVP and GI Pathology Exam 1. Engage with flashcards and multiple-choice questions, each with hints and explanations. Prepare thoroughly for your test!

Multiple Choice

Type A dissection involving only the ascending aorta is classified as which DeBakey type?

Explanation:
DeBakey classification hinges on where the tear starts and how far the dissection extends. A dissection that begins in the ascending aorta and remains confined to that segment is categorized as Type II DeBakey. It does not involve the arch or the descending aorta, which would push it into Type I, nor does it originate in the descending aorta, which would be Type III. Since the scenario describes a Type A (ascending-aorta) dissection that's limited to the ascending aorta, the correct DeBakey type is II.

DeBakey classification hinges on where the tear starts and how far the dissection extends. A dissection that begins in the ascending aorta and remains confined to that segment is categorized as Type II DeBakey. It does not involve the arch or the descending aorta, which would push it into Type I, nor does it originate in the descending aorta, which would be Type III. Since the scenario describes a Type A (ascending-aorta) dissection that's limited to the ascending aorta, the correct DeBakey type is II.

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