AcetazolamideCarbonic Anhydrase InhibitorsCarbonic AnhydrasesAltitude SicknessBenzolamideMountaineeringEthoxzolamideBicarbonatesCerebrovascular CirculationMethazolamideAlkalosisCarbon DioxideIofetamineXenon RadioisotopesDichlorphenamideTomography, Emission-Computed, Single-PhotonDiureticsHypokalemic Periodic ParalysisTechnetium Tc 99m ExametazimeCarbonic Anhydrase IIChlorothiazideHydrogen-Ion ConcentrationAcid-Base EquilibriumOrganotechnetium CompoundsAltitudeNorandrostanesAmphetaminesFurosemideIon-Selective ElectrodesArterial Occlusive DiseasesXenonBlood Volume