| 41. | Multiple causes exist for AI in the setting of ascending aortic dissection.
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| 42. | Aortic dissection may be a late sequela of cardiac surgery.
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| 43. | Endovascular treatment of aortic dissection was developed in the 1990s.
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| 44. | Thoracic aneurysms are less common than an abdominal aortic aneurysm.
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| 45. | Less common presentations include intracranial hemorrhage, aortic dissection, and eclampsia.
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| 46. | In bicuspid aortic valve anatomy there is congenital fusion of two cusps.
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| 47. | The aorta is divided above the aortic valve and root.
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| 48. | A vascular graft is then sutured to the aortic root.
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| 49. | These include the origin of the artery from the right aortic sinus.
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| 50. | There are many ways to calculate the valve area of aortic stenosis.
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