Editor's note: Find the latest COVID-19 news and guidance in Medscape's Coronavirus Resource Center. College athletes who have recently recovered from COVID-19 infection show cardiac abnormalities on ...

A common heart abnormality often seen of electrocardiograms that has long been thought to be inconsequential is actually associated with a substantially increased risk of erratic heartbeats or a need ...

Lengthening of what is called the PR interval, the right-hand portion of the jagged blip that records electrical activity as the heart contracts and expands, was associated with a doubled risk of ...

Purpose: Electrocardiogram (ECG) abnormalities are universal in infantile Pompe disease or glycogen storage disease type II, a fatal genetic muscle disorder caused by deficiency of acid α-glucosidase ...

THE electrocardiographic exercise test is a well established procedure in the diagnosis of coronary insufficiency. The method most widely used in America is the two-step test of Master. 1–6 Master has ...

Investigators from Ghana evaluated cardiac abnormalities among persons living with HIV who were or were not on highly active antiretroviral treatment. Previous results have been mixed on the utility ...