Episodes of low cardiac output which were accompanied by significant increases in PAP/ AOP ratio occurred in20 patients and were managed by alteration and/ or administration of pulmonary vasodilators.

• 在二十个患有低心输出血量发病的患者中，伴有肺动脉和主动脉压比率明显增加，其处理方法是改善通气和、给以肺血管扩张剂。