. >> reporter: the 73-year-old jim schrader was having a problem with his heart's normal rhythm. >> my heart was not beating right. >> reporter: turns out it this, a tiny new and improved version of a standard pacemaker. he became the first patient in florida to receive the cutting- edge device. >> and this is a major improvement and the new era in pacing. >> reporter: the bay area cardiologist said the world's smallest pacemaker doesn't require leads like a standard pacemaker, which means there are no wires leading to the heart lowering the risk of pacemaker. >> and you don't see it at all? >> you don't see it and this goes inside the heart. there is no scar here and there is no bump here and the patient is very comfortable. >> reporter: and the procedure to implant it is men male invase jive and i went up and -- invasive. >> and i went up -- i have no monitor inside my heart. it's inside my heart. i am a bionic man. >> do you feel like a bionic don't get fired -- tired, you know. if i get tired, i get tired and it's a miracle. >> great guy and fun story, too, when it's all good. the