The maternal heart significantly adapts to the circulatory needs of pregnancy, but the effect of pregnancy on ventricular repolarization is poorly understood. The aim of this study was to quantify ...

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 ...

QT prolongation occurs when the heart muscle takes longer to contract and relax than usual. It can affect heart rhythms and lead to sudden cardiac arrest. The heart is a muscle that contracts and ...

THE case reported below represents a new and very distinct clinical entity. The young patient was observed by us for some years. It was hoped that a similar combination of clinical findings might be ...

A prolonged QT interval creates an electro-physiological environment that is favorable for the development of cardiac arrhythmias. A new study in Holland suggests that yet another group of ...

(Medical Xpress) -- Johns Hopkins researchers have discovered a new drug that may be useful in treating a heart rhythm condition called long QT syndrome. The study was published online on June 28 in ...

AI is playing an increasing role in medical care, from spotting diabetes and examining medical scans, to taking the place of doctors altogether. Now, it's able to recognize life-threatening conditions ...

Boston, MA - Patients who receive high doses of the antidepressants citalopram or escitalopram could potentially develop QT-interval prolongation, a marker of a slight increased risk for ventricular ...

Normally the QT interval is about a third of each heartbeat cycle. In people with LQTS, the QT interval lasts longer than normal. This upsets the careful timing of the heartbeat and may trigger ...

Researchers have discovered a new drug that may be useful in treating a heart rhythm condition called long QT syndrome. Johns Hopkins researchers have discovered a new drug that may be useful in ...