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Absence of antiarrhythmic effects of helium in patients with spontaneous eprematur ventricular beats at rest
human air spontaneous eprematur ventricular beats
2009/7/17
Six patients with spontaneously occurring arrhythmias were studied to assess the antiarrhythmic properties of helium. The patients were divided into two subgroups breathing air, helium-oxygen (heliox)...
Spontaneous activity of rat portal vein at normal and elevated hydrostatic pressure
portal vein hyperbaric animal rat
2009/7/16
The effects of high hydrostatic pressure on the spontaneous contractile activity of isolated rat portal veins were studied. During compression, an increase of activity was seen, whereas stable elevate...
Voluntary breath holding affects spontaneous brain activity measured by magnetoencephalography
breath hold magnetoencephalography brain
2009/6/8
Spontaneous brain activity was measured by multichannel magnetoencephalography (MEG) during voluntary breath holds. Significant changes in the activity are limited to the alpha rhythm: 0.25 Hz frequen...
