? ? ????

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

??3.5mmol/L???2mmol/L?????????????50-100mmol90?????????????????????????????????????????????3.55.5mmol/L?4.2mmol/L???3.5mmol/L??????????????????????????????????
 
 

1???????????????????????????????????????????????????????47???20mmol/L?710?510mmol/L??38150mmol/L

2?
?????????????????K+???3...

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

1?Na+Cl-CO2-CP????CO2-CP??NaCl???Na+125 mmol/L,3%NaCl6 ml/kg?Na+5 mmol/L?Na+?CO2-CP?Cl-???2.5%~4%NaHCO3??Na+
2Na+?????Na+?20%?????
3???CO2-CP?????
??????????????????????????110mol/l????????????????????????
??????????????????

?

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

??????????

,??????????3200?-4170mmol,???0.15%?????44%-50%??40%-47%????9%-10%
?
??????1?44%??9%??47%?????75%?????90%????????????????90%????
????????????????????????????????????????????????????????????????????????????????????????????????????????????????
?????????^???????
??????????????025%???????????????????????...