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 ...

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 ...

Objective: To assess health care practitioners' ability to correctly measure the QT interval, and to identify factors and medications that may increase the risk of QT-interval prolongation and ...

As more consumer-facing devices add features to measure the heart’s electrical activity, companies are looking for new ways to turn this data into valuable health information. AliveCor, a startup that ...

Uncertainty remains regarding the value of heart-rate-corrected QT interval (QTc) prolongation on electrocardiogram for predicting cardiovascular disease (CVD), particularly among Asian populations.

Short QT syndrome is an inheritable primary electrical disease of the heart that was discovered in 1999. The disorder is characterized by an abnormally short QT interval (<300 ms) and a propensity to ...

Please provide your email address to receive an email when new articles are posted on . Compared with married people, unmarried people were more likely to have a prolonged QT interval, according to ...

HealthDay News — For healthy females, oral progesterone administration attenuates drug-induced QT interval lengthening, according to a study published online April 6 in JACC: Clinical ...

SAN FRANCISCO, CA—Consuming a large quantity of grapefruit juice has effects on the QT interval in healthy adults similar to those seen with moxifloxacin, an antibiotic with known QT-prolonging ...

Tight Glycemic Control of Little Value Post-Pediatric Heart Op Selective serotonin reuptake inhibitors, including citalopram, escitalopram, and amitriptyline, are associated with prolonged corrected ...

Long QT interval is a condition that affects the heart’s electrical rhythm, which can lead to potentially life threatening arrhythmia. Behind the pumping action of the heart is an electrical ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...