Neuropeptides and peptide hormones in syncope and orthostatic intolerance
نویسندگان
چکیده
منابع مشابه
Neuropeptides and peptide hormones in syncope and orthostatic intolerance.
Syncope and orthostatic intolerance (OI) are common clinical syndromes often requiring medical attention. The former is defined as transient loss of consciousness and postural tone due to self-limited cerebral hypoperfusion, while the latter consists of inappropriate cardiovascular responses to upright posture such as occur with orthostatic hypotension (OH) or postural orthostatic tachycardia s...
متن کاملOrthostatic intolerance: postural orthostatic tachycardia syndrome with overlapping vasovagal syncope.
A 28-year-old female with a history of situational syncope and a new-onset right sided hemiparesis is described. Tilt-up table test revealed the postural orthostatic tachycardia syndrome followed by vasovagal syncope. Neurological and internal medicine tests showed no particular disorders. The patient underwent autonomic physical training and the tilt-up test performed three months later showed...
متن کاملSyndromes of orthostatic intolerance and syncope in young adults
OBJECTIVE To explore the clinical and neuroendocrine characteristics of syndromes of orthostatic intolerance and syncope in young adults. METHODS Two hundred and thirty-six patients aged 18-40 years with orthostatic intolerance and/or syncope were examined by head-up tilt test (HUT). Plasma levels of epinephrine, norepinephrine, renin, C-terminal-pro-arginine-vasopressin (CT-proAVP), C-termin...
متن کاملNeurocardiogenic syncope and related disorders of orthostatic intolerance.
Copyright © 2005 American Heart Association. All rights reserved. Print ISSN: 0009-7322. Online 72514 Circulation is published by the American Heart Association. 7272 Greenville Avenue, Dallas, TX DOI: 10.1161/CIRCULATIONAHA.104.482018 2005;111;2997-3006 Circulation Blair P. Grubb Neurocardiogenic Syncope and Related Disorders of Orthostatic Intolerance http://circ.ahajournals.org/cgi/content/f...
متن کاملOrthostatic intolerance and syncope associated with Chiari type I malformation.
The Chiari type I malformation (CM1) is characterized by herniation of cerebellar tonsils to at least 3-5 mm below the plane of foramen magnum and can present with a wide variety of clinical symptoms, frequently including occipital headaches, secondary to bulbar and/or medullary distress. Rarely, syncopal episodes have also been described and attributed to either compression of the midbrain asc...
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ژورنال
عنوان ژورنال: Cardiology Journal
سال: 2014
ISSN: 1898-018X,1897-5593
DOI: 10.5603/cj.a2014.0072