Picture from Heart Foundation - NZ ❤️ Understanding Aortic Aneurysms An aortic aneurysm  occurs when a section of the aorta —the main artery that carries blood from the heart to the rest of the body—becomes weakened and begins to bulge or stretch . Over time, this bulge can grow larger and, in severe cases, may rupture, which is a life-threatening emergency. 📍 Types of Aortic Aneurysms There are two main types, based on where they occur: • Abdominal Aortic Aneurysm (AAA):