AcetazolamideCarbonic Anhydrase InhibitorsCarbonic AnhydrasesAltitude SicknessBenzolamideCarbon DioxideBicarbonatesMountaineeringEthoxzolamideCerebrovascular CirculationMethazolamideAlkalosisIofetamineXenon RadioisotopesDichlorphenamideTomography, Emission-Computed, Single-PhotonDiureticsHypokalemic Periodic ParalysisHydrogen-Ion ConcentrationAcid-Base EquilibriumTechnetium Tc 99m ExametazimeCarbonic Anhydrase IIChlorothiazideAltitudeOrganotechnetium CompoundsNorandrostanesIon-Selective ElectrodesFurosemideAmphetaminesHypercapniaBlood VolumeXenon