1 After medical school, you would need to complete a residency in pediatrics, which is three years. 2  Doctorate to practice medicine (MD, DO) plus current license to practice medicine. 3  An MD or DO, a medical degree. 4  Pediatricians are doctors. You would need a medical degree to start and then go on to specialize with further training in pediatrics. 2  Pediatricians need 4 years of undergraduate school followed by four more years of medical school, followed by 3 years of internship and residency.
The underlying cause of an aneurysm is a weak spot in the artery wall. Over time, repetitive pounding by the blood as it's forced through the veins with each heartbeat causes the weak spot to bulge. The higher the person's blood pressure, the more likely an aneurysm is to form.
Causes of a brain aneurysm. Brain aneurysms are caused by a weakness in the walls of blood vessels in the brain. There are several reasons why this may happen, although an exact cause is not always clear.The brain requires a large supply of blood delivered via four main blood vessels that run up the neck and into the brain.rain aneurysms are caused by a weakness in the walls of blood vessels in the brain. There are several reasons why this may happen, although an exact cause is not always clear. The brain requires a large supply of blood delivered via four main blood vessels that run up the neck and into the brain.