Johnson & Johnson’s vaccine has been associated with an elevated risk of thrombosis with thrombocytopenia syndrome.

The new analysis, published in JACC: Heart Failure, included data from 75 different studies.

Peter A. McCullough, MD, has been no stranger to controversy during the ongoing pandemic. 

Advanced algorithms can lead to significant improvements in agreement among specialists, researchers found. 

Researchers examined heart transplant outcomes associated with donation after circulatory death donors and donation after brain death donors.

The recall includes more than 4,000 devices distributed over the last several years. 

Researchers have until Feb. 1 to apply for one of the group's new COVID-19 research grants. 

The hospital's former chief of cardiovascular surgery is now raising money online so that he can pursue legal action. 

It does increase certain risks, researchers found—but it can also be a valuable treatment option. 

Nine years into the Choosing Wisely campaign, reductions in low-value care have been "modest at best," experts reported in JAMA Internal Medicine.