?????????!

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

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

1.???
2??
1??
2?
3??
3???????????????????????
????,????.

???????,:a.?,W??,???,?,???,?????;b.?,?,,?,??,?,??????;c.???,???,?,???,????. : (1),???,??10%?30~40ml/d?g??13.4mmol.????,??1g?4.5mmol. (2),??,???????....

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

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



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

?????:

??[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+??...

??Low sodium biscuit
???High protein biscuit
High-protein biscuits??
Hyponatremia biscuits?
Hyponatremia biscuits?
DGG
:High-protein biscuits??
:Hyponatremia biscuits?