? ? ????

??????1.??????????[K+]i/[K+]e?????????????????????????????????????????????
?????????????????????????????[K+]i/[K+]e???????????[K+]i/[K+]e?????????????????????????
2.?
??????????????K+???K+?????????????????3mmol/L??????????????potassium conductance??????????????????????????????????2?????????????????3...

??130???????????????????????N???SIADH??????????????????????
????????????????????????????????????????????????????????
???????23?????120????3??????????SIADH??????
???120mmol/L??130mmol/L??135mmol/L
???35mmolL?????????????????????????????NaCa?????????????????30ml????
?
1.????????? 2.??????^ 3.????? 4...

 ??????<mmol/L???????? ????????????
???????????????????????????????????
????????????????
????????????????????????????????

????
   ???????????????????????????????????????????????????
   ????????????????????????????



?? hyponatremia ??130???????????????????????...

???
?????????????? ????????? ??;?;????;;? ;?;??;???;?;??;;;????;???o

?????:

??[HCO3-]?

1.??

(1)???????????HCl??HClH+??CO2+H2OH2CO3H+HCO3-?Cl-?????????H+Cl-?HCl?HCl??????NaHCO3???H+????HCl????NaHCO3??????NaHCO3HCl???[HCO3-]?????[HCO3-]??

????Cl+K+????????????Cl-???HCO3-???K+???H+????????Na+??H+K+??

2H+??H+?????????????H+K+,?Na+?H+?H2COH3H+HCO3-??HCO3-??Na+??...