In addition to lifestyle changes, many classes of medications can be used to stabilize or improve heart disease and quality of life. Several interventional procedures can be performed to achieve this goal such as heart catheterization with placement of a metal stent to open blocked heart arteries, placement of a medical device to regulate the heartbeats (pacemaker) or provide Internal shock in case of a life threatening emergency (defibrillator), trans-catheter replacement of a valve (TAVR)