AcetazolamideCarbonic Anhydrase InhibitorsCarbonic AnhydrasesAltitude SicknessBenzolamideMountaineeringEthoxzolamideBicarbonatesCerebrovascular CirculationMethazolamideAlkalosisCarbon DioxideIofetamineXenon RadioisotopesDichlorphenamideTomography, Emission-Computed, Single-PhotonDiureticsHypokalemic Periodic ParalysisTechnetium Tc 99m ExametazimeCarbonic Anhydrase IIChlorothiazideAcid-Base EquilibriumAltitudeOrganotechnetium CompoundsHydrogen-Ion ConcentrationNorandrostanesAmphetaminesFurosemideIon-Selective ElectrodesBlood Volume