????

??????1.?? 2.??? 3.??? 4.??.??????????14???????????????????]??? ?????????????????????????????????????????????,?6.57.8g%???6.0g%??????????????
???
??????????,?;,??;?????
????????????????
???????????????????????????????????????????????????
???????????????????????
? ???????????????????????????????????...

      ?????NPN????azotemia?NPN?25~35mg%,??10-15mg% ??????????????????????????????????????????????????????????????????????????????????????????142?(42?)???????????600?????????64?(18?)???????????????????????????????????????? ?????????????????? ??????71?(20?)???1768??(2?)????53?...

?.??.??.????????,?38.\\??23,??,,????,??.?????95%??,?.12??.??.???.12?.???.??.??.????:?.???.??2.?,,???,???.??.?.????.??,???,?,??.?.?????.????.,,.?????.????.??.????.???.???.??.????.?.??,???.??.??.??.??,???????(?).?,????.??\\??.??.???????.????.???.?????.??????,???n??.???.??,???.???????.,???,??????.,??.?...

??(BUN)??2.867.14mmol/L????? CO(NH2)2?6028BUN???(28/60)???? SUN28/60
??
(1)??(???Pseudoazotemia)??????(?????)?????????800mL?????200mL????(?????hypoperfusion azotemia)???a ?(??????)b ?(??????)
(2)(????parenchyma l azotemia)????????????
(3)?a???
??????????????????????????????????...

??  ??????????????????????????????????23g.????????????????30mlmin???30g?????? ??
???
1.?????????????
2.??????????????????????????????????????????????????????
3.?????????400mOsm/L??1??????1.5L????????????
4.????????????????????????????????????????????`???????????-?????????ACEI??????????????...