Results 141 to 150 of about 11,365 (255)

Investigation of in vivo measurement of cerebral cytochrome-c-oxidase redox changes using near-infrared spectroscopy in patients with orthostatic hypotension [PDF]

open access: yes, 2007
We have previously used a continuous four wavelength near infrared spectrometer to measure changes in the cerebral concentrations of oxy- (Δ[HbO2] and deoxy- haemoglobin (Δ[HHb]) during head-up tilt in patients with primary autonomic failure.
Cooper, C.E.   +6 more
core  

Spectral indices of heart rate variability in patients with vasovagal syncopes according to evidence of 5-min ECG

open access: yesТерапевтический архив, 2009
Aim. To compare autonomic nervous system activity estimated by power spectral analysis of heart rate variability in patients with vasovagal syncopes and healthy volunteers. Material and methods.
E V Vershuta   +19 more
doaj  

Vasovagal syncope as a complication of percutanous liver biopsy: A case report

open access: bronze, 2000
Muhammet Cemil Savaş   +2 more
openalex   +1 more source

A15-1 Pulse wave analysis independently discriminates between subjects with recurrent vasovagal syncope and healthy controls [PDF]

open access: bronze, 2003
J Šimek   +5 more
openalex   +1 more source

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