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 ...

During the past decade, a number of non-cardiovascular drugs have had their label revised or have been withdrawn from the market because of unexpected post-marketing reports of sudden cardiac death ...

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 ...