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Arterial oxygen saturation and heart rate variation during breath-holding: comparison between breath-hold divers and controls



Arterial oxygen saturation and heart rate variation during breath-holding: comparison between breath-hold divers and controls



International Journal of Sports Medicine 26(3): 177-181



Breath-holding induces cardiovascular responses, notably bradycardia and peripheral vasoconstriction, which are known collectively as the diving response. This response is oxygen-conserving, i.e. an augmented response attenuates arterial oxygen desaturation, and is enhanced by apnoea training. To test this hypothesis, we compared heart rate (HR) and arterial oxygen saturation (SaO(2)) in breath-hold divers (BHD) and non-divers (ND).

Accession: 011779522

Download citation: RISBibTeXText

PMID: 15776332

DOI: 10.1055/s-2004-820976


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