Toward a hyperventilation detection system in freediving: a proof of concept using force sensor technology

Authors: Frank Pernett, Eric Mulder, Filip Johansson, Arne Sieber, Ricardo Bermudez, Marcus Lossner, Erika Schagatay

Source: Frontiers in Physiology, Vol 15 (2025)

Subject Terms: tidal volume, breath-hold, apnea, blackout, wearable technology, Physiology, QP1-981

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fphys.2024.1498399/full; https://doaj.org/toc/1664-042X

Access URL: https://doaj.org/article/29d98a7f23c949f69397590f743d21a8

Sex-based variations in breath-holding: oxygen storage and diving response among non-divers

Authors: Frank Pernett, Erika Schagatay, Pontus Holmström

Source: Frontiers in Physiology, Vol 15 (2025)

Subject Terms: apnea, diving response, freediving, hypoxia, sex differences, splenic contraction, Physiology, QP1-981

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fphys.2024.1515232/full; https://doaj.org/toc/1664-042X

Access URL: https://doaj.org/article/5889ca6e1dd24c1885f72510bf4c9413

Test–retest reliability of splenic volume assessment by ultrasonography

Authors: Pontus Holmström, Frank Pernett, Erika Schagatay

Source: Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/62fc24a820194dfa8711c91d021ce8a3

Spleen Contraction During Sudden Eupneic Hypoxia Elevates Hemoglobin Concentration

Authors: Frank Pernett, Felix Schagatay, Caroline Vildevi, Erika Schagatay

Source: Frontiers in Physiology, Vol 12 (2021)

Subject Terms: extreme environment, ultrasound, acute survival, high altitude, arterial oxygen saturation, Physiology, QP1-981

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fphys.2021.729123/full; https://doaj.org/toc/1664-042X

Access URL: https://doaj.org/article/23f6cea211c745408c5de4b8f490db99

Association Between Arterial Oxygen Saturation and Lung Ultrasound B-Lines After Competitive Deep Breath-Hold Diving

Authors: Alexander Patrician, Frank Pernett, Angelica Lodin-Sundström, Erika Schagatay

Source: Frontiers in Physiology, Vol 12 (2021)

Subject Terms: hypoxia, apnea, hypoxic syncope, blackout, pulmonary edema, barotrauma, Physiology, QP1-981

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fphys.2021.711798/full; https://doaj.org/toc/1664-042X

Access URL: https://doaj.org/article/52ab40ece67c49748447310ae40f35e3

Corrigendum: Using Underwater Pulse Oximetry in Freediving to Extreme Depths to Study Risk of Hypoxic Blackout and Diving Response Phases

Authors: Eric Mulder, Arne Sieber, Erika Schagatay

Source: Frontiers in Physiology, Vol 12 (2021)

Subject Terms: breath-hold diving, apnea, arterial oxygen saturation, syncope, heart rate, bradycardia, Physiology, QP1-981

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fphys.2021.700804/full; https://doaj.org/toc/1664-042X

Access URL: https://doaj.org/article/380b83e3f07e40dbac362d8e353d9d9e

Using Underwater Pulse Oximetry in Freediving to Extreme Depths to Study Risk of Hypoxic Blackout and Diving Response Phases

Authors: Eric Mulder, Arne Sieber, Erika Schagatay

Source: Frontiers in Physiology, Vol 12 (2021)

Subject Terms: breath-hold diving, apnea, arterial oxygen saturation, syncope, heart rate, bradycardia, Physiology, QP1-981

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fphys.2021.651128/full; https://doaj.org/toc/1664-042X

Access URL: https://doaj.org/article/4fc3f1a60fb344ba898205ac5bda9ba8

First Evaluation of a Newly Constructed Underwater Pulse Oximeter for Use in Breath-Holding Activities

Authors: Eric Mulder, Erika Schagatay, Arne Sieber

Source: Frontiers in Physiology, Vol 12 (2021)

Subject Terms: oxygen saturation, heart rate, apnea, validation, safety, hypoxia, Physiology, QP1-981

File Description: electronic resource

Relation: https://www.frontiersin.org/articles/10.3389/fphys.2021.649674/full; https://doaj.org/toc/1664-042X

Access URL: https://doaj.org/article/e520bebe061b4b67b29ba55f760368e2

Spleen Size and Function in Sherpa Living High, Sherpa Living Low and Nepalese Lowlanders

Authors: Pontus Holmström, Eric Mulder, Victor Starfelt, Angelica Lodin-Sundström, Erika Schagatay

Source: Frontiers in Physiology, Vol 11 (2020)

Subject Terms: high altitude, Breath-holding, hypobaric hypoxia, adaptation, Altitude Populations, spleen contraction, Physiology, QP1-981

File Description: electronic resource

Relation: https://www.frontiersin.org/article/10.3389/fphys.2020.00647/full; https://doaj.org/toc/1664-042X

Access URL: https://doaj.org/article/83c39c6926df4923b32a0a09ef896f59

Hook Breathing Facilitates SaO2 Recovery After Deep Dives in Freedivers With Slow Recovery

Authors: Fran de Asís Fernández, Lara Rodríguez-Zamora, Erika Schagatay

Source: Frontiers in Physiology, Vol 10 (2019)

Subject Terms: apnea, breath-hold, respiration, hypoxia, syncope, blackout, Physiology, QP1-981

File Description: electronic resource

Relation: https://www.frontiersin.org/article/10.3389/fphys.2019.01076/full; https://doaj.org/toc/1664-042X

Access URL: https://doaj.org/article/d704b2ade5e14822b1bf547cb6f9074c

The Magnitude of Diving Bradycardia During Apnea at Low-Altitude Reveals Tolerance to High Altitude Hypoxia

Authors: Pontus Holmström, Eric Mulder, Angelica Lodin Sundström, Prakash Limbu, Erika Schagatay

Source: Frontiers in Physiology, Vol 10 (2019)

Subject Terms: acute mountain sickness, breath-hold diving, hypoxia, prediction, cardiovascular diving response, spleen, Physiology, QP1-981

File Description: electronic resource

Relation: https://www.frontiersin.org/article/10.3389/fphys.2019.01075/full; https://doaj.org/toc/1664-042X

Access URL: https://doaj.org/article/52ba1894b5994bcfb41c45396e3bd9c3

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