Explore how quantitative tightening impacts the economy by reducing liquidity, balancing Fed policies, and addressing ...

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). See ...

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 ...

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 ...