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心泵储备状况是负荷能力的决定性因素,心泵储备优良的理想反应模式,应是负荷时动员程度较低和运动后恢复较快。然而,心泵动员程度通常与负荷时氧债的积累及运动后恢复速度呈负相关,如果心泵在负荷时的动员程度低则常伴随氧债增大及恢复延迟;反之亦然。只有增进用氧效率(Oxygen Sparing effect),上述的理想反应才会出现,这是当前深受重视但未
Cardiac pump reserve status is a decisive factor in load capacity, heart pump reserve excellent ideal response mode should be less load mobilization and recovery faster after exercise. However, the degree of cardiac pump mobilization is usually negatively correlated with the accumulation of oxygen debts and the rate of recovery after exercise. If the level of mobilization of cardiac pumps during stress is low, it is often accompanied by the increase of oxygen debts and the recovery delay; and vice versa. Only by improving the Oxygen Sparing effect will the above ideal reaction appear, which is currently a matter of great importance but not yet