Results 61 to 70 of about 136,031 (336)

THE CLINICAL COURSE OF PRESYNCOPE IN THE DIFFERENTIAL DIAGNOSIS OF SYNCOPE

open access: yesРоссийский кардиологический журнал, 2015
Aim. To evaluate the clinical signs and symptoms in the differential diagnosis of syncope.Material and methods. We investigated 160 patients (64 men and 96 women), aged 18-77 years with reflex or cardiac syncope over the last 3 years.
P. J. Stryjewski   +4 more
doaj   +1 more source

Aetiology of sudden cardiac death in sport: a histopathologist's perspective. [PDF]

open access: yes, 2012
In the UK, when a young person dies suddenly, the coroner is responsible for establishing the cause of death. They will ask a consultant pathologist to carry out an autopsy in order to ascertain when, where and how that person died.
Sheppard, MN
core   +1 more source

Commercial Sodium‐Ion Batteries: Understanding Mechanism and Function Using In Operando Neutron Diffraction and X‐Ray Tomography Studies

open access: yesAdvanced Functional Materials, EarlyView.
In operando neutron diffraction reveals the real‐time structural evolution of O3‐type NaxNi1/3Mn1/3Fe1/3O2 in commercial sodium‐ion batteries that is coupled with electrochemical and tomography data. The study establishes a direct link between current‐dependent phase transitions, lattice kinetics, and electrochemical behavior, offering mechanistic ...
B. D. K. K. Thilakarathna   +4 more
wiley   +1 more source

Prevalence of arterial hypertension in young elite athletes with a hypertensive type of response to physical activity

open access: yesСпортивная медицина: наука и практика
Aim of the study: to assess the prevalence of arterial hypertension in athletes with high BP values during an exercise test.Methods: out of 2313 athletes 14–18 (15.5 ± 1.4) years old, according to the results of VEM, 128 (6 %; 60 m) people with high ...
V. N. Komoliatova   +4 more
doaj   +1 more source

Nonlinear and conventional biosignal analyses applied to tilt table test for evaluating autonomic nervous system and autoregulation [PDF]

open access: yes, 2013
Copyright © Tseng et al.; Licensee Bentham Open. This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/ by-nc/3.0/) which permits unrestricted, non ...
Castiglioni P   +16 more
core   +1 more source

Magnetic‐Field Dependent VB− Spin Decoherence in Hexagonal Boron Nitrides: A First‐Principles Study

open access: yesAdvanced Functional Materials, EarlyView.
This study investigates the decoherence of the VB− defect in h‐BN under external magnetic fields using first‐principles quantum many‐body simulations. A transition boundary distinguishing distinct decoherence regimes is identified, with its dependence on isotopic composition.
Jaewook Lee   +3 more
wiley   +1 more source

Is head injury characteristic of arrhythmic syncope?

open access: yesJournal of Arrhythmia, 2013
Background: Of the syncope types, arrhythmic syncope is the most life threatening and therefore requires proper treatment. However, the clinical predictors of arrhythmic syncope remain unknown.
Toshiyuki Furukawa   +3 more
doaj   +1 more source

Clinical Severity Score System in Dogs with Degenerative Mitral Valve Disease [PDF]

open access: yes, 2015
BACKGROUND: Several risk factors already have been determined for dogs with degenerative mitral valve disease (DMVD). Risk factors often have been considered in isolation and have not always taken into account additional information provided by the ...
Atkins   +31 more
core   +2 more sources

Selective and Precise Editing of Digital Polymers Through Parallel or Series Toehold‐Mediated Strand Displacement

open access: yesAdvanced Functional Materials, EarlyView.
A sequence‐encoded supramolecular construct containing two accessible toeholds is developed herein for enabling multiple editing operations. By introducing specific input strands, it is possible to selectively erase or rewrite digital content through parallel or series toehold‐mediated strand displacement (PTMSD or STMSD).
Jakub Ossowski   +3 more
wiley   +1 more source

Incidence of Syncope During Pregnancy: Temporal Trends and Outcomes

open access: yesJournal of the American Heart Association: Cardiovascular and Cerebrovascular Disease, 2019
Background We examined temporal trends, timing, and frequency, as well as adverse neonatal and maternal outcomes occurring in the first year postpartum among women experiencing syncope during pregnancy.
Safia Chatur   +5 more
doaj   +1 more source

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