HyperventilationHypocapniaCarbon DioxideCerebral ArteriesCerebrovascular CirculationRespirationAlkalosis, RespiratoryCerebral InfarctionAsthma, Exercise-InducedMiddle Cerebral ArteryPartial PressureHypercapniaCerebral PalsyOxygenBrainBlood Gas AnalysisRespiratory MechanicsHypoventilationIntracranial PressurePanicCerebral AngiographyChemoreceptor CellsPulmonary VentilationInfarction, Middle Cerebral ArteryMalaria, CerebralOxygen ConsumptionRitodrineCerebral VeinsPulmonary Gas ExchangeBlood Flow VelocityAnoxiaPanic DisorderBrain IschemiaApneaTidal VolumeAcid-Base EquilibriumMouth ProtectorsCerebral HemorrhageAtropine DerivativesAirway ResistanceBlood Gas Monitoring, TranscutaneousPlethysmography, ImpedanceMethacholine CompoundsIntracranial HypertensionBlood PressureNystagmus, PhysiologicXenon RadioisotopesAcidosisCold TemperatureRespiratory Physiological PhenomenaSpectroscopy, Near-InfraredCapnographyForced Expiratory VolumeChloraloseBronchial Provocation TestsTrimethaphanAlkalosisRespiratory Function Tests