Results 131 to 140 of about 32,664 (289)
Hyperventilation Disorders [PDF]
openaire +2 more sources
Hyperventilation and submarine escape [PDF]
The Royal Navy have demonstrated in two sea trials that it is possible for men to make successful escapes from submarines at depths of about 600 ft. However, the outcomes suggest this depth is close to the limit of safe escape under ideal conditions and ...
Deam, Roberta Kay
core
Cerebrovascular regulation during heat stress
Abstract Given that the brain is a highly metabolic organ and is enclosed by the skull, effective regulation of cerebral blood flow (CBF), not only for oxygen and nutrients supply but also as a means of convective heat exchange, is critical for preventing excessive elevations in brain temperature.
Kanoko Ito, Manabu Shibasaki
wiley +1 more source
Brain strain: Blood flow and metabolism in environmental extremes
Abstract This narrative review compares and contrasts the most commonly encountered environmental stressors on human cerebrovascular functioning. From high altitude and space, extreme apnoea, heat and cold stress, the impact of these stressors on the regulation of cerebral blood flow (CBF) and oxygen metabolism (CMRO2${\mathrm{CM}}{{\mathrm{R}}_ ...
Dario Vrdoljak +3 more
wiley +1 more source
Abstract The clinical assessment of cardiovascular function during exercise using stress echocardiography is essential for accurate cardiac diagnosis. However, normal limitations of cardiac deformation responses to increasing physical exertion remain poorly understood.
Fabian Spahiu +4 more
wiley +1 more source
Stroke neurovascular responses to exercise: A novel rehabilitation paradigm
Abstract Stroke is a leading cause of long‐term disability, impacting the cerebrovascular, peripheral vascular and neuromotor systems. Characterising vascular responses to exercise post‐stroke offers valuable insights into the impairments that might influence outcomes during neurorehabilitation.
Alicen A. Whitaker‐Hilbig +2 more
wiley +1 more source
Abstract Acute heat stress reduces cerebral haemodynamics and orthostatic tolerance. However, the haemodynamic response to orthostasis during prolonged heat stress typical of heatwaves is unknown. We hypothesised that thermoregulatory‐induced elevations in peripheral haemodynamics during 3 days of simulated heatwave would exacerbate orthostatic‐induced
Alexander T. Friend +11 more
wiley +1 more source
Abstract High‐intensity endurance exercise induces myocardial remodelling as an adaptive response to sustained volume overload, but excessive cumulative training might also favour deleterious cardiac remodelling, including atrial fibrosis. Whether acute marathon running engages circulating fibrosis‐related biomarkers and whether these biomarkers track ...
Felipe Contreras‐Briceño +6 more
wiley +1 more source

