Results 71 to 80 of about 772,428 (306)
Fluctuations in cardiac stroke volume during rowing
Scandinavian Journal of Medicine & Science in Sports, 2020 Preload to the heart may be limited during rowing because both blood pressure and central venous pressure increase when force is applied to the oar. Considering that only the recovery phase of the rowing stroke allows for unhindered venous return, rowing may induce large fluctuations in stroke volume (SV).
Casper Sejersen +4 more
openaire +4 more sources
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Cognitive decline is a disabling and variable feature of Parkinson disease (PD). While cholinergic system degeneration is linked to cognitive impairments in PD, most prior research reported cross‐sectional associations. We aimed to fill this gap by investigating whether baseline regional cerebral vesicular acetylcholine transporter ...
Taylor Brown +6 more
wiley +1 more source
Regulation of Cardiac Output Through Stroke Volume [PDF]
Circulation Research, 1960 Heart rate was controlled by direct stimulation of the right ventricle of a dog previously subjected to complete A-V block in order to study the effect of this variable on cardiac output. Measurements of cardiac output were made at various heart rates in unanesthetized dogs, both at rest and walking on a treadmill.
H R, WARNER, A F, TORONTO
openaire +2 more sources
Can the ischemic penumbra be identified on noncontrast CT of acute stroke? [PDF]
, 2007 <p><b>Background and Purpose:</b> Early ischemic changes on noncontrast CT in acute stroke include both hypoattenuation and brain swelling, which may have different pathophysiological significance.</p> <p><b>Methods:
Baird, T. +5 more
core +1 more source
Developmental and Epileptic Encephalopathy due to Biallelic Pathogenic Variants in PIGM
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective PIGM encodes a critical enzyme in the glycosylphosphatidylinositol (GPI)‐anchor biosynthesis pathway. While promoter‐region mutations in PIGM have been associated with a relatively mild phenotype characterized by portal vein thrombosis and absence seizures, recent evidence suggests that coding‐region mutations result in a more severe
Júlia Sala‐Coromina +11 more
wiley +1 more source
Impact of 8-week endurance training on qualitative and quantitative parameters of stroke volume
Zdravniški Vestnik, 2014 Background: Dynamics of stroke volume during increasing progressive load varies widely among individuals. The data of current studies describing the impact of long-term endurance training on the dynamics of cardiac stroke volume are conflicting.
Suzana Pustivšek +2 more
doaj
New electrical plethysmograph monitors cardiac output [PDF]
, 1968 Four-electrode impedance plethysmograph measures ventricular stroke volume of cardiac output of humans.
Kubicek, W. B. +2 more
core +1 more source
Evidence of Iron Accumulation in Cerebral Adrenoleukodystrophy: A Potential Novel Disease Mechanism
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT In this first application of Quantitative Susceptibility Mapping Source Separation to cerebral adrenoleukodystrophy, we uncovered alterations in iron and myelin within lesions and normal appearing white matter. As validation, we demonstrate abnormal iron accumulation in those same compartments within primary brain tissue.
Christina L. Nemeth +8 more
wiley +1 more source
Effect of prolonged space flight on cardiac function and dimensions [PDF]
Echocardiographic studies were performed preflight 5 days before launch and on recovery day and 1, 2, 4, 11, 31 and 68 days postflight. From these echocardiograms measurements were made.
Epstein, S. E. +4 more
core +1 more source