Intravascular Ultrasound is the coronary arteries heart disease diagnosis equipment that smaller than 3 mm., called IVUS. With this latest innovation, Balloon Angioplasty cardiologist can diagnose the coronary arteries disease accurately and see the abnormal thickness of heart wall thoroughly. The data from this method includes the component and the amount of fat layers inside the heart wall. The IVUS’s accuracy is very high, the size of coronary arteries data are able to be read in 2 digits decimal which no other medical equipment can do at this moment. This make the treatment planning is so efficient just like sailing in the ocean with satellite which is the safest journey.