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. 2017 Feb 8;312(6):F925–F950. doi: 10.1152/ajprenal.00536.2016

Table 9.

Model variables with hyperkalemia (K+ = 5.5): interstitial pressures and concentrations; initial pressures and flows

MR(0) MR (1) OM(0) OM (1) OM (2) IM (1) IM (2) IM (3) IM (4) IM (5)
Interstitial pressures and concentrations
PS, mmHg 12.0 8.6 12.0 9.3 10.6 −1.6 −1.5 −0.9 0.5 −1.1
CS, mM
    Na 144.0 144.3 144.0 157.5 171.3 174.1 175.4 175.7 175.7 180.2
    K 5.5 7.7 5.5 10.4 14.9 16.8 17.4 17.6 17.8 18.3
    Cl 119.1 127.4 119.1 142.7 161.0 173.9 177.8 179.3 179.9 184.7
    HCO3 25.0 23.1 25.0 22.9 24.2 16.3 14.4 13.6 13.2 13.4
    H2CO3 4.4E-03 7.1E-03 4.4E-03 6.5E-03 1.1E-02 1.1E-02 1.1E-02 1.2E-02 1.2E-02 1.2E-02
    CO2 1.5 2.4 1.5 2.2 3.8 3.8 3.9 4.1 4.1 4.2
    HPO4 2.0 0.9 2.0 1.2 0.8 0.7 0.6 0.6 0.6 0.6
    H2PO4 0.6 0.5 0.6 0.6 0.6 0.8 0.9 0.9 0.9 0.9
    Urea 5.0 6.4 5.0 8.3 8.0 11.5 14.7 21.5 43.6 42.4
    NH3 2.9E-03 1.2E-02 2.9E-03 1.2E-02 8.7E-03 6.5E-03 5.9E-03 5.5E-03 5.3E-03 5.4E-03
    NH4 0.2 1.4 0.2 1.3 1.5 1.7 1.8 1.8 1.8 1.9
    HCO2 1.0 0.5 1.0 0.5 0.4 0.3 0.2 0.2 0.1 0.1
    H2CO2 2.7E-04 2.4E-04 2.7E-04 2.3E-04 2.5E-04 2.8E-04 2.5E-04 2.1E-04 1.6E-04 1.3E-04
    Glucose 5.0 2.6 5.0 2.8 2.1 1.7 1.3 1.1 0.8 0.7
Osmolality 307.9 317.2 307.9 350.5 388.6 401.4 408.4 416.4 438.5 447.5
Po2, mmHg 65 35 35 35 35 35 35 13 10 7
SF JM-1 JM-2 JM-3 JM-4 JM-5 CNT
Initial pressures and flows
SNGFR, nl/min 29.1 58.8 58.8 58.9 59.4 59.5
Tubules 24,000 6,400 3,200 1,600 800 400
GFR, μl/min 699 376 188 94 48 24
PM, mmHg 13.1 13.4 14.0 14.5 15.1 15.6 8.0