Objective To evaluate the clinical capability of regional electric impedance pneumography and scintigraphy in measurement of pulmonary perfusion and ventilation.

• 摘要目的本研究将区域阻抗法测得的血流灌注及肺通气分布变化，与放射性核素肺显像的方法进行比较，探讨肺区域阻抗方法的临床价值。