Objective: To valuate the clinical significance of serum troponin I (CTnI) in patients with unstable angina pectoris and minor myocardial damage (MMD).

• 目的：为了评价血清心肌肌钙蛋白CTnI测定对不稳定型心绞痛患者微小心肌损伤的诊断及预后的判断的临床意义。