INTRODUCTION Vasospastic angina(VSA)is an important functional cardiac disorder that leads to transient myocardial ischemia and is caused by sudden,intense and reversible coronary artery spasm resulting in subtotal or total occlusion.[1,2]VSA is associated with cardiac conditions such as stable or unstable angina,acute coronary syndromes and lethal arrhythmias.The patients usually INTRODUCTION Vasospastic angina (VSA) is an important functional cardiac disorder that leads to transient myocardial ischemia and is caused by sudden, intense and reversible coronary artery spasm resulting in subtotal or total occlusion. [1,2] VSA is associated with cardiac conditions such as stable or unstable angina, acute coronary syndromes and lethal arrhythmias.The patients usually