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 ...

"The net increase in QT interval caused by grapefruit among healthy volunteers was small, but in the range that, if grapefruit juice were a new drug in development, the results of the present study ...

One of the principal tasks of an oncologist is to determine whether to administer, reduce the dose, or hold chemotherapy on the basis of patient characteristics, organ function, and toxicities. These ...

Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. COVID-19 infection is associated with a significant increase in the corrected QT interval (QTc) in ...

Drinking large quantities of grapefruit juice may prolong the QT interval, especially in women and those who already have long QT syndrome (LQTS), new research suggests. Investigators at Tel Aviv ...

This cohort study assessed ECG parameters in transgender men and women before and after use of gender-affirming hormone therapies. Testosterone use in transgender men was associated with shorter ...

Research confirms that grapefruit juice prolongs the QT interval; this finding has implications for patients taking medications that prolong the QT interval and may have implications for patients with ...