Methods Thirty-two patients with different respiratory diseases underwent regional electric impedance pneumography and scintigraphy, the pulmonary perfusion and ventilation were obtained and recorded.

• 方法测定对象为32例患有不同肺部疾病的患者，采用肺区域阻抗法和放射性核素显像法，分别测定患者的肺血流灌注及肺通气的分布。