text: 当醛固酮不足或肾小管对醛固酮反应性降低时，Na+-K+和Na+-H+交换减少，肾小管对Na+重吸收减少丢失增多，泌H<sup>+</sup>及排K<sup>+</sup>障碍，因而出现高血钾型酸中毒。
entities.entity: 醛固酮
entities.label: bod
entities.entity: 醛固酮不足
entities.label: sym
entities.entity: 肾小管
entities.label: bod
entities.entity: 醛固酮
entities.label: bod
entities.entity: 肾小管对醛固酮反应性降低
entities.label: sym
entities.entity: Na+-K+和Na+-H+交换减少
entities.label: sym
entities.entity: 肾小管
entities.label: bod
entities.entity: 肾小管对Na+重吸收减少
entities.label: sym
entities.entity: 泌H<sup>+</sup>及排K<sup>+</sup>障碍
entities.label: sym
entities.entity: 高血钾型酸中毒
entities.label: dis