The major limitation of current cardiac troponin assays is their low sensitivity at patient presentation, owing to a delayed increase in circulating levels of troponin.

• 当前心肌肌钙蛋白检测的主要局限是由于在循环系统中的肌钙蛋白水平增长滞后，造成其在部分病人表现为低灵敏度。