Results 21 to 30 of about 11,169 (255)

Isoproterenol Causing Coronary Vasospasm and ST Elevations During Tilt Table Testing

open access: yesJournal of Investigative Medicine High Impact Case Reports, 2020
Syncope is a sudden but reversible brief loss of consciousness secondary to an acute reduction of cerebral perfusion. Reflex syncope denotes neurologically mediated syncope, which includes vasovagal, carotid sinus syndrome, and other situational syncope.
Hanh Duong MS   +4 more
doaj   +1 more source

Freeze, Flight, Fight, Fright, Faint: Adaptationist Perspectives on the Acute Stress Response Spectrum [PDF]

open access: yes, 2004
This article reviews the existing evolutionary perspectives on the acute stress response habitual faintness and blood-injection-injury type-specific phobia (BIITS phobia). In this article, an alternative evolutionary perspective, based on recent advances
Bracha, Dr. H. Stefan
core   +1 more source

Evolution and fear-fainting [PDF]

open access: yes, 2006
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Bienvenu, Dr. O. Joseph   +2 more
core   +1 more source

Genetics of vasovagal syncope [PDF]

open access: yesAutonomic Neuroscience, 2014
Vasovagal syncope (VVS) is the most frequent type of syncope and affects about 25% of the population. The role of genetic factors in VVS has long been debated. In this review we will discuss the current evidence that strongly suggests a major genetic component.Family aggregation studies have consistently shown that individuals with VVS more frequently ...
Klein, KM, Berkovic, SF
openaire   +4 more sources

Sleep syncope—A systematic review

open access: yesFrontiers in Cardiovascular Medicine, 2022
BackgroundSleep syncope is a subtype of vasovagal syncope in which patients experience syncope after awakening from their sleep. The aim was to investigate the association of clinical characteristics and gastrointestinal symptoms with syncope, as well as
Priya L. Raj   +7 more
doaj   +1 more source

Modulation of Neurally Mediated Vasodepression and Bradycardia by Electroacupuncture through Opioids in Nucleus Tractus Solitarius. [PDF]

open access: yes, 2018
Stimulation of vagal afferent endings with intravenous phenylbiguanide (PBG) causes both bradycardia and vasodepression, simulating neurally mediated syncope.
Fu, Liang-Wu   +3 more
core   +3 more sources

Prediction of Vasovagal Syncope Based on Interoceptive Awareness and Anxiety Sensitivity

open access: yesMajallah-i Dānishgāh-i ̒Ulūm-i Pizishkī-i Qum, 2022
Background and Objectives: Vasovagal syncope is the most common type of syncope. Recurrent vasovagal syncope can have a profound effect on the patients’ quality of life.
Somayeh Ramesh   +5 more
doaj  

Clinical Efficacy of Empirical Therapy in Children with Vasovagal Syncope

open access: yesChildren, 2022
(1) Background: This case-control study was designed to assess the efficacy of empiric treatment for vasovagal syncope in children; (2) Methods: We retrospectively enrolled 181 children with vasovagal syncope from the Department of Pediatrics of Peking ...
Chunyan Tao   +8 more
doaj   +1 more source

Predictive models of syncope causes in an outpatient clinic [PDF]

open access: yes, 2008
The investigation of unexplained syncope remains a challenging clinical problem. In the present study we sought to evaluate the diagnostic value of a standardized work-up focusing on non invasive tests in patients with unexplained syncope referred to a ...
Fromer, M.   +7 more
core   +1 more source

Emotional orienting during interoceptive threat in orthostatic intolerance: dysautonomic contributions to psychological symptomatology in the postural tachycardia syndrome and vasovagal syncope [PDF]

open access: yes, 2018
Cognitive and emotional processes are influenced by interoception (homeostatic somatic feedback), particularly when physiological arousal is unexpected and discrepancies between predicted and experienced interoceptive signals may engender anxiety. Due to
Critchley, Hugo D   +3 more
core   +2 more sources

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