Healthy Heart Specialist Centre Dr Wong Siong Sung is the Senior Consultant Cardiologist and Medical Director of Healthy Heart Specialist Centre (HHSC). Prior to embarking in his private practice at HHSC, while he was at NUH, he strengthened and took the level of CT coronary angiogram and radionuclide myocardial perfusion imaging services to a higher level. He is one of the pioneer in the establishment of the novel technique of the quantification of myocardial blood flow and coronary flow reserve with an innovative Tc-99m sestamibi dynamic single-photon emission computed tomography (SPECT) technique in Singapore. Our Services 1) CT CORONARY ANGIOGRAM 2) MRI MYOCARDIAL PERFUSION IMAGING 3) ECHOCARDIOGRAM 4) CT CALCIUM SCORING 5) 24-HR HOLTER MONITORING 6) TREADMILL TEST 7) COMPREHENSIVE RANGE OF BLOOD & URINE TESTS 8) CARDIAC RISK ASSESSMENT 9) ELECTROCARDIOGRAM