 Time now for Know Your Heart, a weekly conversation with physicians of Carolina Cardiology on how to care for the health of your heart. And with us today on Know Your Heart, Dr. Jay Shaw, the founder of Carolina Cardiology some 40 years ago. And Dr. Shaw, with all the advances in technology that you've seen over the last 40 years, it must just make your head spin when you take a look at where you are today versus 40 years ago when you started the practice.