Coronary sickness is the staggering reason of death in the western world. Consistently in the U.S.A, more than 500,000 men and women fail miserably in light of coronary vein disease. In the midst of the latest two decades, critical advances have been done in the examination and treatment of coronary ailment. Nuclear Cardiology is the basic role behind beginning of the assurance of coronary ailment and the evaluation of disease degree and the acknowledgment of results in the setting of coronary supply course affliction. Nuclear cardiology contemplates use non-meddling procedures to explore myocardial circulation system, choose the coordinating limit of the heart and also envision the size and setting of a heart ambush. Among the methodologies of nuclear cardiology, myocardial perfusion imaging is the most generally used.