Last year she developed a long qt interval in her heartbeat.

Extended QT intervals increase the risk of sudden cardiac death.

Inherited long QT interval syndrome affects about 1 in 7,000 people.

There is a potential for prolonging of the QT interval to occur as well.

The T wave contains more information than the QT interval.

Ranolazine is known to increase the QT interval on the electrocardiogram.

An example of synergism is two drugs that both prolong the QT interval.

Prolongation of the QT interval may be due to an adverse drug reaction.

Additionally, alcohol in high blood concentrations prolong the QT interval.

As stated above, solifenacin may also prolong the QT interval.

Terfenadine increases the QT interval in isolated guinea pig heart.

Studies in 2004 had indicated that clobutinol has the potential to prolong the QT interval.

The drug causes increased action potential duration, as well as a prolonged QT interval.

Primidone has other cardiovascular effects in beyond shortening the QT interval.

A variety of drugs can present prolongation of the QT interval as a side effect.

Therefore it should not be taken by men taking other medications at affect the QT interval (such as amiodarone).

Other drugs that prolong the QT interval can possibly add to this side effect of vandetanib.

Later in the progression, a prolonged QT interval may be indicative of fibrosis.

Because of this, caution should be taken when ranolazine is used in combination with other medications that increase the QT interval.

Recent studies also cite increased QT intervals in neonates taking Domperidone.

There is also concern for this class of drugs prolonging the QT interval, sometimes leading to fatal heart dysrhythmias.

The sympathetic imbalance hypothesis of QT interval prolongation.

Follow QT interval, keep ms.

The QT interval beyond which the risk of torsades de pointes increases abruptly has not yet been defined and most likely there is a continuum.