Journal ArticleCommun Med (Lond) · December 19, 2024
BACKGROUND: Oxygen-rich breathing mixtures up to 100% are used in some underwater diving operations for several reasons. Breathing elevated oxygen partial pressures (PO2) increases the risk of developing central nervous system oxygen toxicity (CNS-OT) whic ...
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Journal ArticleSensors (Basel) · December 3, 2024
We examined data from Naval Sea Systems Command grant project N0463A-12-C-001, "Hypercapnia: cognitive effects and monitoring", with the objective of validating or repudiating heart rate variability (HRV) as a warning sign of cognitive impairment from divi ...
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Journal ArticleBiocybernetics and Biomedical Engineering · April 1, 2024
Objective: Breathing elevated oxygen partial pressures (PO2) prior to SCUBA diving increases the risk of developing central nervous system oxygen toxicity (CNS-OT), which could impair performance or result in seizure and subsequent drowning. We aimed to st ...
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Journal ArticleUndersea Hyperb Med · 2024
INTRODUCTION: Submersion results in blood redistribution into the pulmonary circulation, causing changes in pulmonary compliance and increased cardiac preload. Few studies have compared incremental exercise to exhaustion (VO2 max testing) in a dry environm ...
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Journal ArticleAnnu Int Conf IEEE Eng Med Biol Soc · November 2021
The most effective method to mitigate decompression sickness in divers is hyperbaric oxygen (HBO2) pre-breathing. However, divers breathing HBO2 are at risk for developing central nervous system oxygen toxicity (CNS-OT), which can manifest as symptoms that ...
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Journal ArticleStroke · April 2021
BACKGROUND AND PURPOSE: Early detection of large vessel occlusion (LVO) stroke optimizes endovascular therapy and improves outcomes. Clinical stroke severity scales used for LVO identification have variable accuracy. We investigated a portable LVO-detectio ...
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Journal ArticleBMJ Case Rep · May 30, 2017
Pneumatosis intestinalis (PI), or the presence of air in the bowel wall, is a rare disorder that is associated with a variety of underlying diseases, including connective tissue disorders. PI presents on a spectrum from asymptomatic to bowel obstruction an ...
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Journal ArticleJ Appl Physiol (1985) · October 1, 2016
Diving narcosis results from the complex interaction of gases, activities, and environmental conditions. We hypothesized that these interactions could be separated into their component parts. Where previous studies have tested single cognitive tasks sequen ...
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Journal ArticleA A Case Rep · September 15, 2015
Arterial gas embolism can be caused by direct entry of gas into systemic arteries or indirectly by venous-to-arterial shunting. Although arterial gas embolism is rare, most documented cases are iatrogenic, resulting from the entry of gas during procedures ...
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Journal ArticleInjury · September 2014
OBJECTIVE: Assess factors that influence both the patient and the physician in the setting of minor head injury in adults and the decision-making process around CT utilization. METHODS: This is a convenience sample survey study of adult minor head injury p ...
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