the interval by using Bazett’s square root formula. QTc is equal to QT interval in seconds divided by the square root of the preceding RR interval in seconds. When heart rate is par- ticularly fast or slow, the Bazett’s formula may overcorrect or undercorrect, respectively, but it rema...
normalQTinterval)-Brugada综合征(短于正常的QT间期)是英文Brugada syndrome (shorter-than的中文翻译。该病是一种基因病、遗传病。佳学基因通过基因解码找到了导致这一疾病发生的基因。可以通过基因检测阻止normalQTinterval)-Brugada综合征(短于正常的QT间期)在后代或者二胎中的出现。根据《人的基因序列变化与人体疾病...
A 24-HOUR AMBULATORY ECG MONITORING IN ASSESSMENT OF QT INTERVAL DURATION AND DISPERSION IN ROWERS WITH PHYSIOLOGICAL MYQCARDIAL HYPERTROPHY (P = 0.01) and maximal QT (P = 0.018) intervals in Holter monitoring and higher 24-hour heart rate variability indexes due to stronger vagal effects... lY...
Goldenberg, I, Moss, AJ (2006) QT interval: how to measure it and what is “normal”. J Cardiovasc Electrophysiol 17: pp. 333-336Goldenberg I, Moss AJ, Zareba W. QT interval: how to measure it and what is “normal”. J Cardiovasc Electrophysiol. 2006;17(3):333–6....
RR interval variation, the QT interval index and risk of primary cardiac arrest among patients without clinically recognized heart disease Autonomic tone influences RR interval variation (RRV) and the heart rate-corrected QT interval index (QTI). Together, QTI and RRV may improve characterizat... ...
normal QT interval Calculate the corrected QT interval (QTc) by dividing the QT interval by the square root of the preceeding R - R interval. Normal = 0.42 s. Causes oflong QT interval myocardial infarction, myocarditis, diffuse myocardial disease ...
Answer and Explanation: The normal QT measures about 0.44 to 0.46 second. The QT interval is a period that starts from the Q wave of the electrocardiogram and ends with the...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question ...
摘要: QRS duration significantly affects QT measurement, even within the normal range of QRS. Baseline QRS of 100 ms permits less slack than QRS of 70 ms before showing the QT effect of QT-prolonging influences, strengthening the case for substituting JT for QT interval....
During sinus rhythm with normal rates the QT interval is short (Fig. 94-29a bottom). If factors known to modify the QT are not present, it has been said that a reasonably accepted correlation exist between the duration of the interval and serum calcium levels. The primary manifestation of ...
Spectrum of drugs prolonging QT interval and the incidence of torsades de pointes The incidence of drug-induced proarrhythmias in the general population is largely unknown. Knowledge regard- ing incidence and risk factors is mainly deriv... Darp B - 《European Heart Journal Supplements》 被引量:...