Increased Screen Time — A Pandemic Era Trigger for Neuro-Cardiogenic Syncope
نویسندگان
چکیده
منابع مشابه
Cardiogenic syncope and epilepsy.
SYNCOPE has been defined as 'a failure of the heart's action resulting in loss of consciousness or sometimes in death' (O.E.D.). Since Gower's discussion of vaso-vagal attacks (1907) many forms of reflex syncope have been described and studied, among them cough syncope (Baker, 1949), carotid sinus syncope (Weiss, 1935) and micturition syncope (Coggins, Lillington & Gray, 1964). The sudden and t...
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Although a syncopal attack is frequently preceded by prodromal symptoms, sometimes the onset can be so abrupt that there is no warning at all. The switch in autonomic responses responsible for such an attack is quite rapid and dramatic, but the trigger for this remains one of the unresolved mysteries in cardiovascular physiology.
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T he conventional pathophysiological view of the mechanism of neurocardiogenic syncope involves the activation of peripheral baroreceptors, as occurs in the Bezold-Jarisch reflex, in which there is a reflex withdrawal of sympathetic tone and an increase in parasympathetic tone. The result of these changes is a dramatic fall in blood pressure with or without excessive bradycardia, leading to a r...
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Transient loss of consciousness is a dramatic symptom, which has many possible mechanisms and hence different therapeutic, psychosocial, and prognostic implications. It is a common cause both for emergency room visits and for hospitalisation, and has recently been the topic of a task force within the European Society of Cardiology (ESC). Syncope is a symptom, defined as a transient, self limite...
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Accepted 20 January 2018 DesCripTion An 80-year-old woman presented with a 2-day history of breathlessness and syncope. Her medical history included Parkinson’s disease and a recent diagnosis of myelodysplasia for which she had undergone a (painful) bone marrow aspiration 2 days earlier. Presentation blood pressure (BP) was 69/38 mm Hg (and fell further to 59/40 mm Hg with impaired conscious le...
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ژورنال
عنوان ژورنال: Indian Pediatrics
سال: 2021
ISSN: 0019-6061,0974-7559
DOI: 10.1007/s13312-021-2205-7