Hemodynamic changes of unexplained syncope patients in head-up tilt test
نویسندگان
چکیده
منابع مشابه
Hemodynamic changes of unexplained syncope patients in head-up tilt test.
The purpose of this study was to observe the hemodynamic changes of unexplained syncope patients in the head-up tilt test and their correlations with age and gender. Eighty-six patients with unexplained syncope were administered the basic head-up test and nitroglycerin provocation test with continuous monitoring and recording of electrocardiogram and blood pressure changes. Basic characteristic...
متن کاملPredictors of response to the head-up tilt test in patients with unexplained syncope or presyncope.
BACKGROUND Unexplained syncope is a relatively frequent symptom, mostly caused by a neurocardiogenic reaction. The purpose of this study was to determine predictors of response to head-up tilt testing (HUTT) in patients with unexplained syncope or presyncope. METHODS HUTT was done in 640 consecutive patients with unexplained syncope or presyncope (393 men, mean age 45+/-19 years) after initia...
متن کاملTilt test for diagnosis of unexplained syncope in pediatric patients.
Thirty-five teenage patients with a history of presyncope or syncope underwent a passive head-up tilting to reproduce symptoms of syncope. If tilting alone did not induce syncope, isoproterenol infusion was given to increase heart rate to 150 to 160 beats per minute. In 80% of patients with a history of syncope, identical symptoms could be reproduced during tilting: an abrupt fall in blood pres...
متن کاملProcoagulatory changes induced by head-up tilt test in patients with syncope: observational study
BACKGROUND Orthostatic hypercoagulability is proposed as a mechanism promoting cardiovascular and thromboembolic events after awakening and during prolonged orthostasis. We evaluated early changes in coagulation biomarkers induced by tilt testing among patients investigated for suspected syncope, aiming to test the hypothesis that orthostatic challenge evokes procoagulatory changes to a differe...
متن کاملHead-up tilt test in complicated neurocardiogenic syncope in children.
To confirm the usefulness of head-up tilt test (HUT) in neurocardiogenic syncope (NCS) with complicating clinical features, retrospective analysis were done on 12 selected children. The age at onset was 12.7 +/- 1.9 (mean +/- SD) years. Associated clinical features were postoperative congenital heart disease (PO CHD) in 3, coexistent arrhythmia in 8 (persistent ventricular arrhythmia during exe...
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ژورنال
عنوان ژورنال: Genetics and Molecular Research
سال: 2015
ISSN: 1676-5680
DOI: 10.4238/2015.january.30.4