First, 17 is a little on the young side to pursue breast augmentation. You should wait until about 19 or 20, and then have your surgeon give you an honest assessment based on your medical condition.
The medical problems need
to each be addressed. We need to know your blood tests and diet type.
You are too youngv to consider this kind of surgery. Yes we have put
implants in ladies with pacemakers, have diabetics, or are post cardiac
surgery, etc. But each time we have a full medical release and a mature
Chronically ill, but wanting implants
Your migraines are not a reason for forego elective plastic surgery, but your cardiac syndrome and (especially) your EDS make you a poor candidate. I'm sorry.
Breast augmentation with chronic illness
I think you have to have some perspective here. Would you like an augment? Sure. Is it appropriate in a patient with cardiac syndrome, slow healing, and poor immunity? No. I am sure that your treating physicians would not clear you for surgery and any plastic surgeon who would operate on you without those clearances shouldn't be in the profession. Additionally, no one under age 18 may have surgery without parental consent and for saline implants you must be 19 and for gels 22.