慢性肺原性心脏病(下称肺心病),由于呼吸道感染、镇静药与麻醉剂的应用、氧疗不当等原因,可导致通气不足,使二氧化碳在体内潴留而形成失代偿性呼吸性酸中毒;但经一定时间后,肾脏开始调节,逐渐换回碳酸氢,使呼吸性酸中毒得以代偿。肺 Chronic pulmonary heart disease (referred to as pulmonary heart disease), due to respiratory tract infections, sedatives and anesthetics, oxygen therapy and other inappropriate reasons, can lead to inadequate ventilation, so that carbon dioxide in the body retention and the formation of decompensated respiratory acidosis ; But after a certain period of time, the kidneys began to regulate, gradually changing back to bicarbonate, so that respiratory acidosis can be compensated. lung