Ishibashi M, Tamaki N, Yasuda T, Taki J, Strauss H W
Division of Nuclear Medicine, Massachusetts General Hospital, Boston 02114.
Circulation. 1991 Apr;83(4 Suppl):II166-72.
Changes in ventricular function caused by activities of daily living, including standing, walking, stair climbing, and mental stress, were evaluated using a radionuclide device that recorded left ventricular function on a beat-by-beat basis. The ambulatory monitor was positioned over the patient's left ventricle after a gated blood pool scan. Monitoring revealed a 10% increase of left ventricular ejection fraction from baseline to brisk walking, an 18% increase during stair climbing, and a 6% increase with mental stress. In some subjects, however, the increase in ejection fraction during mental stress exceeded that during exercise.
使用一种能逐搏记录左心室功能的放射性核素装置，评估包括站立、行走、爬楼梯和精神压力在内的日常生活活动所引起的心室功能变化。在进行门控心血池扫描后，将动态监测仪放置在患者左心室上方。监测结果显示，从基线到轻快行走时左心室射血分数增加了10%，爬楼梯时增加了18%，精神压力状态下增加了6%。然而，在一些受试者中，精神压力状态下射血分数的增加超过了运动时的增加。
