112±11 bpm, and QTc at maximal heart rate 484±29 vs. 487±35ms. The QT interval corrected for heart rate-prolongation at maximal tachycardia after standing was 79±26 (19-144)ms, which is significantly longer than previously published values in adults (50±30ms).ConclusionsThe QT ...
A comparison of commonly used QT correction formulae : the effect of heart rate on the QTc of Normal ECGs J Electrocardiol, 37 (2004), 10.1016/j.jelectrocard.2003.08.030 Google Scholar [35] P.J. Bourdillon, D. Dawson, H.J. Ritsema van Eck, S. Gorter Classification of the sex of ...
(2008). Statistical assessment of QT/QTc prolongation based on maximum of correlated normal ... B Cheng,SC Chow,D Burt,... - 《Journal of Biopharmaceutical Statistics》 被引量: 25发表: 2008年 Authors' Response to "Comment on: Cheng, Chow, Burt, and Cosmatos (2008). Statistical ...
症状性或控制不佳的心律失常。先天性长QT综合征病史或筛查时校正的 QTc>500ms(使用 Fridericia 法计算)。 13. 严重出血倾向或凝血功能障碍,或正在接受溶栓治疗。 14. 既往 6 个月内有胃肠道穿孔和/或瘘管病史,肠梗阻病史(包括需要肠外营养的不完全肠梗阻),广泛肠切除(部分结肠切除或广泛小肠切除,并发 慢性腹泻...
Mandal B,Kaur G,Batra YK,Mahajan S.Manifestation of Long QT syndrome with normal QTc interval under an- esthesia: a case report. Paediatric Anaesthesia . 2011MANDAL B, KAUR G, BATRA YK, MAHAJAN S. Manifes- tation of long QT syndrome with normal QTc in- terval under anesthesia: a case...
(2008). Statistical Assessment of QT/QTc Prolongation Based on Maximum of Correlated Normal Random Variables, Journal of Biopharmaceutical Statistics, 18(3), 494-501.Cheng B, Chow S-C, Burt D, Cosmatos D. Statistical assessment of QT/QTc prolongation based on maximum of correlated normal ...
A Simulation Study of Power in Thorough QT/QTc Studies and a Normal Approximation for Planning Purposes - Hosmane, Locke - 2005Hosmane, B. and Locke, C. (2005) A Simulation Study of Power in Thorough QT/QTc Studies and a Normal Approximation for Planning Purposes. Drug Information Journal ...
The 12-lead electrocardiogram (ECG) changes in patients during the acute phase of KD include flattened T waves and prolonged corrected QT intervals (QTc). We set out to determine the 12-lead ECG and vectorcardiography predictors for identification of patients with KD and which of these ...
QTc interval was calculated using Bazett's formula (QTc = QT interval/square root R-R interval). Student t-test and Pearson's correlation coefficient were used for statistical analysis. Results: There was no significant difference between Groups I and II in mean age, weight, height, and ...
Resting ECGs were normal in affected subjects except a slight prolongation of the QT intervals adjusted for heart rate (QTc) (430 卤 18 vs. 409 卤 19 ms, affected vs. nonaffected, p < 0.01). Administration of flecainide did not induce ECG abnormalities encountered in familial idiopathic ...