Results 21 to 30 of about 68,906 (342)

Hyperventilation and Hypoxia Hangover During Normobaric Hypoxia Training in Hawk Simulator

open access: yesFrontiers in Physiology, 2022
Introduction: In military aviation during high-altitude operations, an oxygen or cabin pressure emergency can impair brain function and performance.
Nikke Varis   +5 more
doaj   +1 more source

Comparison of two devices and two breathing patterns for exhaled breath condensate sampling. [PDF]

open access: yes, 2011
Analysis of exhaled breath condensate (EBC) is a noninvasive method to access the epithelial lining fluid of the lungs. Due to standardization problems the method has not entered clinical practice. The aim of the study was to assess the comparability for
Greulich, Timm   +11 more
core   +11 more sources

Moyamoya disease in a 3-year-old boy presenting with a focal motor seizure provoked by hyperventilation [PDF]

open access: yesPediatric Emergency Medicine Journal, 2018
A previously healthy, 3-year-old boy presented to the emergency department with an afebrile focal motor seizure. He was found crying and having a seizure 30 minutes earlier. During this seizure, he was jerking his head and right extremities.
Soojin Hwang   +3 more
doaj   +1 more source

Respiratory alkalosis provokes spike-wave discharges in seizure-prone rats

open access: yeseLife, 2022
Hyperventilation reliably provokes seizures in patients diagnosed with absence epilepsy. Despite this predictable patient response, the mechanisms that enable hyperventilation to powerfully activate absence seizure-generating circuits remain entirely ...
Kathryn A Salvati   +6 more
doaj   +1 more source

Screening elite winter athletes for exercise induced asthma: A comparison of three challenge methods [PDF]

open access: yes, 2005
The official published version can be obtained from the link below.Background: The reported prevalence of exercise induced asthma (EIA) in elite winter athletes ranges from 9% to 50%. Many elite winter athletes do not report symptoms of EIA.
Dickinson, JW   +3 more
core   +2 more sources

Hyperventilation worsens inflammatory lung injury in spontaneously breathing rats [PDF]

open access: yesJornal Brasileiro de Pneumologia
Objectives: Here, we investigated the effects of hyperventilation on acute lung injury (ALI) in spontaneously breathing rats. Methods: Wistar rats were randomized to receive either intraperitoneal lipopolysaccharides (LPS) or saline, and intravenous ...
Juliana Dias Nascimento Ferreira   +9 more
doaj   +1 more source

Hypercapnic hyperventilation shortens emergence time from Propofol and Isoflurane anesthesia

open access: yesJournal of Research in Pharmacy Practice, 2013
Objective: The aim of this study is to compare the effects of hypercapnic hyperventilation and normocapnic normoventilation on emergence time from propofol and isoflurane anesthesia.
Ahmad Yaraghi   +4 more
doaj   +1 more source

Integrated breathing and relaxation training (the Papworth method) for adults with asthma in primary care: a randomised controlled trial [PDF]

open access: yes, 2007
Background: An integrated breathing and relaxation technique known as the Papworth method has been implemented by physiotherapists since the 1960s for patients with asthma and dysfunctional breathing, but no controlled trials have been reported.
Holloway, EA, West, RJ
core   +2 more sources

Efficacy of preoxygenation administration in volunteers, in extending the end-expiration breath-hold duration for application to abdominal radiotherapy

open access: yesTechnical Innovations & Patient Support in Radiation Oncology, 2023
Background and purpose: End expiration breath hold (EEBH) is the preferred motion management method for abdominal Stereotactic Ablative Body Radiotherapy (SABR) treatments. However, multiple short EEBHs are required to complete a single treatment session.
Vincent Towell   +3 more
doaj   +1 more source

Ventilatory Phenotypes among Four Strains of Adult Rats. [PDF]

open access: yes, 2002
Our purpose in this study was to identify different ventilatory phenotypes among four different strains of rats. We examined 114 rats from three in-house, inbred strains and one outbred strain: Brown Norway (BN;n = 26), Dahl salt-sensitive (n = 24), Fawn-
Dwinell, Melinda R.   +4 more
core   +2 more sources

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