Angina pectoris is an ailment in the nerves when there is any blockage that interrupts blood supply to the heart, posing risk for its survival... these blockages result due to deposition of junk on the inner walls of the nerves making then passage narrow... the reasons are excessive fats and cholesterol in the body... Lipid profile tests on blood are conducted to detect cholesterol contents in your body... angiography is a system of scanning the nerves leading to your heart for detection of any blockage... thereafter the blockage can be removed by medication or by surgery... viz angioplasty and engioscopic (? Please check in webMD site) surgery similar to laparoscopic operation (I think I am using right terms)... Angina pectoris patients should constantly take medication and get regularly checked up... It is recently claimed by certain sources that angioplasty can be safely substituted with proper medication for opening the blockages from the nerves... Please visit webMD site for detailed and authentic information...