Because internists and psychiatrists very frequently prescribe QT prolonging medications, their substantial lack of knowledge of the QT interval poses a significant problem. Respondents who ...

Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment. Serious. These medicines may interact and cause very harmful effects.

Certain drugs, including hydroxyzine, can cause an irregular heart rhythm called QT prolongation. Taking other drugs that also affect heart rhythm increases this risk. Also known as long QT ...

Contributing to its lack of identification is the fact that individuals may or may not show QT prolongation ... or avoidance of specific classes of drugs, or the implantation of a defibrillator.

Risk of QT prolongation: electrolyte disturbances (eg, hypokalemia, hypomagnesemia), underlying cardiac abnormalities, hypothyroidism, familial long QT-syndrome, concomitant drugs known to prolong ...

Consult your healthcare professional before taking or discontinuing any drug or commencing any course of treatment. Taking your antibiotic with other agents that can affect your heart rhythm may ...

A prolonged QT interval has a variety of causes and can be a very serious ECG finding, as it may lead to the potentially fatal arrhythmia polymorphic ventricular tachycardia (Torsades de Pointes).

“These medications can have potential adverse effects such as QT prolongation [when the heart muscle takes longer to contract and relax], which may increase the risk for adverse arrhythmic events, and ...

The vertical axis represents changes in QTc (either prolongation or shortening ... Panel A compares the delta-QTc during the off-drug day before moxifloxacin (in green) and during the off-drug ...