The QT interval is the time from the beginning of the QRS complex (ventricular depolarization) to the end of the T wave (ventricular repolarization). The normal QT interval is controversial and ...
To examine gender differences in rate-corrected QT interval (QTc), an index of ventricular depolarization/repolarization, in young, trained men and women with lower ...
Long QT syndrome is a leading cause of sudden death in young persons, with a prevalence exceeding 1 in 2000. It is characterized by prolongation of the QT interval, aberrant T-wave morphologic ...
March 24, 2009 (Munich, Germany and Boston, MA) - Two independent genomewide association studies (GWAS) have identified common variants at 10 gene regions that modulate the QT interval, a measure of ...
Q: What is hidden QT syndrome? A: An electrocardiogram (ECG) measures the electrical activity that coordinates the timing of the contractions of the heart chambers; the signals are labeled ...
Ventricular repolarization (VR) is a crucial step in cardiac electrical activity because it corresponds to a recovery period setting the stage for the next heart contraction. Small perturbations of ...
For the “QT interval”, which reflects the time for ventricular depolarization and repolarization, the team discovered 115 new genetic loci, and by combining all lead variants for this trait, they can ...
The QT interval on an electrocardiogram signifies the time required for the heart to repolarize after depolarization. It has long been appreciated that a long QT interval predisposes patients to ...
Silver Spring, MD - The FDA's Cardiovascular and Renal Drugs Advisory Committee has ruled that the clinical trials conducted by Bayer/GlaxoSmithKline for its erectile dysfunction drug, vardenafil ...
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