Effects of Head-Up Tilt-Table Test on the QT Interval
نویسندگان
چکیده
منابع مشابه
Diagnostic relevance of the carotid sinus massage during a head up tilt table test (HUTT).
BACKGROUND Syncope due to carotid sinus hypersensitivity (CSH) may be underdiagnosed due to a low level of diagnostic suspicion and fear of complications caused by massage of the carotid sinus. OBJECTIVE To investigate the relevance of carotid sinus massage in the diagnosis of non-convulsive faints and unexplained falls. METHODS Two-hundred and fifty-nine patients with a mean age of 50+/-24...
متن کاملThe head-up tilt table test in patients with syncope of unknown origin.
Forty patients with recurrent syncopal episodes of uncertain etiology were evaluated with a 60-degree head-up tilt table test for 60 minutes. There were 21 men and 19 women, with a mean age of 36 +/- 19 years, a mean of 7.6 syncopal episodes per patient, and a mean duration of symptoms of 4.2 +/- 6 years. Twelve patients had evidence of organic heart disease. Ten control subjects with no histor...
متن کامل[Effect of time elapsed from spontaneous syncope on the diagnostic performance of the head-up tilt table test].
OBJECTIVES The propensity for spontaneous and tilt-induced neurocardiogenic syncope may exhibit temporal variations. Therefore the diagnostic performance of the head-up tilt test could be improved if it were performed soon after the occurrence of spontaneous syncope. The objective of this study was to assess whether the time interval between the last syncopal episode and tilt table testing infl...
متن کاملUtility of a single-stage isoproterenol tilt table test in adults: a randomized comparison with passive head-up tilt.
OBJECTIVES This study was conducted to develop a time-efficient tilt table test. BACKGROUND Current protocols of tilt table testing are quite time-consuming. This study was designed to assess the diagnostic value, tolerance and procedural time of a single-stage isoproterenol tilt table protocol. METHODS A single-stage isoproterenol tilt table test was compared with the passive tilt table te...
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هدف از انجام این تحقیق مشخص کردن موثرترین متد اصلاح خطا بر روی دقت آهنگ و تاکید تلفظ کلمه در زبان انگلیسی بود. این تحقیق با پیاده کردن چهار متد ارائه اصلاح خطا در چهار گروه، سه گروه آزمایشی و یک گروه تحت کنترل، انجام شد که گروه های فوق الذکر شامل دانشجویان سطح بالای متوسط کتاب اول passages بودند. گروه اول شامل 15، دوم 14، سوم 15 و آخرین 16 دانشجو بودند. دوره مربوطه به مدت 10 هفته ادامه یافت و د...
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ژورنال
عنوان ژورنال: Annals of Noninvasive Electrocardiology
سال: 2010
ISSN: 1082-720X,1542-474X
DOI: 10.1111/j.1542-474x.2010.00371.x