Primers of Nephrology -3 2%() () KK K K ()
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K 4 42 8 K 4 3 K K 10 P 5 3 2 Na20 meq/l Na 40 meq/l NaNa10 meq/lkk1020 meq/l 111 NaKCl CaMgP
Ca 20%Mg 40%P 60% 11g 1 meq/gcrmg/gcr 1 11g GFRfractional excretionfefe a UaaPaa GFR UcrPcr K2.5 meq/lkk15 K
(1)GFR FE GFR FE FE FE FE
1 = () = () 7001,000 ml 5 ml/ 15 ml/kg/ 10 ml/kg/ IVH600 ml(60 kg) T32l1Na 70 meqk 40 meq 1gNa 17 meq hypovolemia, dehydration, volume depletion3hypovolemiadehydrationvolume depletion 3() Na
Na () (( Na Na 120 meq/l Na l l Nal35 150 meq/lna135 meq/lna NaNa Posm2Na NaNa 3 Na 100 mg/dlna1.6 meq/l ()
Na () Na NaNa Na ADH iiii3 turgor () l l l l l NaNaNa Na20 meq/lna 10 meq/lnana Nacerebral salt wasting
SIADH4 SIADH Na ADHGFR KK(3,000 meq)900.4 K 60 100 meq/l K 3.5 5.0 meq/lkk K0.1 phk0.6 meq/l( ) K K K K KKK3 K K K K KK IIIK K20 meq/mgk K K K K 3 meq/l 100 200 meq1meq/l 200 400 meqk 2.5mEq/l () K K 11,000 mlk Cr10 mg/dlk 23 mg/dlk
--K K l l
Na Ca 1 1 1Short seminars 1996 2Medicina 2000; 37:864-8. 3 MP 2000;17:1090-6.