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Abstract
Introduction: LM CAD & three-vessel CAD are both high-risk subsets of stable angina pectoris, in which the majority of LVs are exposed to ischaemia. Although exercise or pharmacological stress testing has a higher sensitivity for three-vessel and LM CAD, the risk of stress test is higher also in this patient population. Exercise myocardial perfusion imaging may not show any transient or fixed myocardial perfusion abnormalities due to balanced ischaemia. 2D STE showing subtle strain or SR reduction in patients with stable angina might provide an important diagnostic clue &a higher pretest probability for CAD. Objective: to determine the role of STE performed at rest to predict the presence of CAD in patients suspected of having SIHD.Toassess the power of STE to determinedegree of CAD; and its role to localisethe diseased coronary vessel.Methods: 81 candidates were evaluated by 2D STE in parasternal short axis, apical 4, apical 2 & apical long axis views