Tentative Screening Criteria for Short QT Interval in Children and Adolescents

Criteria for short QT interval based on a new QT-heart rate adjustment formula

BACKGROUND A short QT interval, within which an increased risk for atrial fibrillation and/or fatal cardiac arrhythmias occurs, has been difficult to define. METHODS The lower percentiles of a new QTc formula were determined, using a precise mathematical fitting of the QT-heart rate relationship from the ECGs of 13,600 individuals from the NHANES II and III surveys. RESULTS The QTc interval...

Correction of the QT interval in children.

We evaluated the usefulness of 11 formulas for correcting the QT interval in children, including the square root, cubic root, logarithmic, linear, exponential, and inverse formulas using the Mean-squared residual (MSR) values and Akaike Information Criterion (AIC) in 8,086 first-graders, 9,989 seventh-graders, and 5,786 tenth-graders. The subjects were divided into six groups according to age a...

domestication and foreignization in children literature translation

این پایان نامه به بررسی بومی سازی و بیگانه سازی در ادبیات کودکان مخصوصا زانر فانتزی می پردازد. در این پایان نامه ترجمه 14 کتاب داستان فانتزی برای سه گروه سنی کودکان بر اساس مدل ونوتی یعنی بومی سازی و بیگانه سازی مقاسه شدندکه در نتیجه برای سه گروه سنی از هر دو استراتزی توسط مترجمان در ترجمه کلمات فرهنگی استفاده شده است.

QT Interval and QT Variability

Screening for Hypertension in Children and Adolescents

BACKGROUND AND OBJECTIVE: The prevalence of hypertension is in­ creasing in children, and may persist into adulthood. This systematic review was conducted for the US Preventive Services Task Force rec­ ommendation on the effectiveness of screening asymptomatic children and adolescents for hypertension in order to prevent cardiovascular disease. METHODS: Eligible studies were identified from Med...