Objective To compare magnitude of supine bicycle exercise echocardiography(SBE) and dobutamine stress echocardiography (DSE) in inducing myocardial ischemia and the value of SBE and DSE in detecting coronary artery disease(CAD).

• 目的 比较仰卧位蹬车运动负荷超声心动图 (SBE)和多巴酚丁胺负荷超声心动图 (DSE)检测冠心病的价值。