If an aortic aneurysm ruptures, inner bleeding happens. This is the healthcare unexpected emergency since anyone can bleed to death in a few minutes. Any thoracic aortic aneurysm 6 cm or much larger needs surgery, but if the patient has Marfan syndrome or familial historical past of aneurysms, 5-cm aneurysms https://www.sgvascularctr.com/a-comprehensive-guide-to-aortic-aneurysm-in-singapore/