"Ontario Health maintains the CorHealth Cardiac Registry of adult patients who undergo certain advanced cardiac procedures for the purposes of maintaining the waitlist and providing advice to the government for strategic planning. Cardiac procedures included, but not limited to the following: cardiac catheterization; percutaneous coronary intervention (PCI); cardiac surgery including coronary artery bypass graft surgery (CABG) and valve surgeries; transcatheter aortic valve implantation (TAVI); and procedures related to regulating or assessing heart rhythm including ablations, electrophysiology studies, and procedures relating to certain devices such as implantable cardioverter-defibrillators (ICDs)."