Results 101 to 110 of about 49,052 (280)

Tilt Testing in the Diagnosis and Treatment of Syncope [PDF]

open access: yes, 2010
A síncope neurocardiogénica é uma entidade com prevalência e incidência significativas. Apesar da baixa mortalidade relacionada com esta entidade, são significativas as implicações na qualidade de vida dos doentes.
Oliveira, MM, Timóteo, AT
core  

Etiological diagnosis, prognostic significance and role of electrophysiological study in patients with Brugada ECG and syncope. [PDF]

open access: yes, 2017
BACKGROUND: Syncope is considered a risk factor for life-threatening arrhythmias in Brugada patients. Distinguishing a benign syncope from one due to ventricular arrhythmias is often difficult, unless an ECG is recorded during the episode.
Anselmino, M   +14 more
core   +2 more sources

Artificial intelligence in blood donor management: A narrative review

open access: yesVox Sanguinis, EarlyView.
Abstract Blood transfusions are vital in health care, yet maintaining an adequate and safe blood supply remains a significant challenge. To address blood donation–associated challenges, this review explores how integrating artificial intelligence (AI) technologies can improve donor recruitment, retention and management.
Maha A. Badawi
wiley   +1 more source

False Positive Responses to Head-Up Tilt Testing in Elderly Patients with Paroxysmal Atrial Fibrillation [PDF]

open access: yes, 2008
The autonomic nervous system (ANS) plays a role as a modulator in the pathogenesis of paroxysmal atrial fibrillation (PAF). The clinical pattern of vagally mediated PAF has been observed mainly in young patients.
Alves, S   +8 more
core  

Vascular health and exercise in females throughout the lifespan: Exploring puberty, pregnancy and menopause

open access: yesExperimental Physiology, EarlyView.
Abstract This narrative review highlights the impact of exercise on vascular health in females over the lifespan with an emphasis on puberty, pregnancy and menopause. These events encompass substantial changes in sex hormone levels, particularly oestrogens and progesterone.
Kathleen B. Miller   +2 more
wiley   +1 more source

Self-organization of blood pressure regulation: Clinical evidence

open access: yesFrontiers in Physiology, 2016
The pathogenesis of vasovagal syncope has remained elusive despite many efforts to identify an underlying dysfunction. Catastrophe theory explains the spontaneous occurrence of sudden events in some mathematically complex systems known as self-organized ...
Jacques-Olivier eFortrat   +2 more
doaj   +1 more source

Spectral analysis of heart rate variability for assessment of autonomic nervous system activity during head-up tilt table testing [PDF]

open access: yes, 2014
Spectral analysis of heart rate variability was used to assess changes in activity of autonomic nervous system (ANS) in 84 patients with history of recurrent syncope and 21 normal controls.
et al., Likar, Polona
core   +1 more source

Monitorización con vídeo-EEG y ECG simultáneo para el diagnóstico diferencial de trastornos de conciencia transitorios. A propósito de un caso [PDF]

open access: yes, 2012
We present the case of a 36 year-old woman, with history of transient consciousness disorders with vegetative state, interpreted as epileptic crises and treated with valproate for two years.
Carmona-Abellan, M. (M.)   +5 more
core   +1 more source

Vasovagal syncope triggered by recent moderate weight loss? [PDF]

open access: bronze, 2022
Brent Cumming   +2 more
openalex   +1 more source

Tilt Test in Elderly Patients with Syncope of Unknown Etiology: Experience with Pharmacological Stimulation with Nitroglycerin [PDF]

open access: yes, 2005
Está demonstrado o papel do teste de inclinação na avaliação de doentes com síncope de causa não esclarecida. Nos idosos, a prevalência de episódios sincopais aumenta, associa-se a pior prognóstico e, frequentemente, implica o recurso a múltiplos exames ...
Antunes, E   +8 more
core  

Home - About - Disclaimer - Privacy