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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Most common cause of Aortic dissection -
assistant
The correct answer is  More than 90% of dissections occur in men between the age of 40 and 60 with antecedent hypertension. Other causes of dissection.
Marfan syndrome causing cystic medial necrosis (second most common).
Ehlers - Danlos syndrome.
Inflammatory aortitis → Takayasu's disease, Giant cell arteritis.
Coarctation of aorta.
Normal woman during third trimester of pregnancy.
Congenital bicuspid aortic valve.