Results 101 to 110 of about 10,663 (213)

Vagal and sympathetic mechanisms in patients with orthostatic vasovagal syncope. [PDF]

open access: yes, 1997
BACKGROUND: Autonomic and particularly sympathetic mechanisms play a central role in the pathophysiology of vasovagal syncope. We report direct measurements of muscle sympathetic nerve activity in patients with orthostatic vasovagal syncope.
Eckberg, D L   +7 more
core  

916-89 Isoproterenol-induced Vasovagal Syncope: A Detailed Hemodynamic Analysis [PDF]

open access: yes, 1995
Usefulness of head-up tilt (HUTI±Isoproterenol (Iso) testing in the provocation of a vasovagal response has been well recognized. Due to the invasive and intermittent nature of cardiovascular monitoring, understanding of the mechanisms underlying the HUT±
Packer, Douglas L.   +6 more
core   +1 more source

Síncope vasovagal en pacientes pediátricos [PDF]

open access: yes, 2013
La finalidad de este estudio fue caracterizar clínica y epidemiológicamente el síncope vasovagal en pacientes pediátricos que acudieron a la consulta externa de cardiología del Hospital de Niños “Dr.
Kristen, Richard   +6 more
core  

Motor induced syncope after cerebral infarction: A case report and literature review

open access: yesSAGE Open Medical Case Reports
Cardio-cerebral syndrome refers to cardiac injury following cranial brain injury, representing a critical complication of stroke associated with high morbidity and mortality.
Zihan Zhao   +3 more
doaj   +1 more source

Case Report: A case series: heart rate variability during dental treatment with vasovagal reflex

open access: yesFrontiers in Physiology
IntroductionThe vasovagal reflex is the most frequent emergency that occurs during dental procedures, but its underlying mechanism is not understood. In this study, we conducted autonomic monitoring of patients with a history of vasovagal reflexes.Case ...
Kaoru Yamashita   +5 more
doaj   +1 more source

Machine Learning Model Using Heart Rate Variability for the Prediction of Vasovagal Syncope

open access: yesIEEE Access
Vasovagal syncope is a reversible condition that can cause serious events, such as cerebral hemorrhage. Predicting its occurrence is challenging; thus, this study aimed to develop machine learning models that use heart rate variability to predict the ...
Hyeon Bin Lee   +5 more
doaj   +1 more source

Physical Manoeuvres to Prevent Vasovagal Syncope and Initial Orthostatic Hypotension [PDF]

open access: yes, 2007
Vasovagal syncope ("the common faint") and near syncope from initial orthostatic hypotension are huge medical problems given the number of patients and their impact on quality of life. The treatment options are often unsatisfactory.
Krediet, Paul
core  

Original paper
Heart rate variability in patients with recurrent syncope

open access: yesArchives of Medical Science, 2006
Introduction: The autonomic nervous system participates in the pathophysiology of vasovagal syncope. The disturbances in the autonomic nervous system can be measured by heart rate variability (HRV).
Jan Henryk Goch, Małgorzata Lelonek
doaj  

Vasovagal syncope: asystole provoked by head-up tilt testing under sertraline therapy

open access: yesThe Turkish Journal of Pediatrics, 1997
Syncope is defined as a sudden transient loss of consciousness. Vasovagally mediated hypotension and bradycardia are believed common, yet difficult to diagnose, causes of syncope in healthy children and adolescents.
M K Lenk   +4 more
doaj  

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