Abnormal heart rhythms, or arrhythmias, are common heart conditions affecting millions around the world. One such type is heart block, which can result from injury or damage to the heart muscle or ...

A randomized trial that compared previously used and new pacemakers in patients found the reconditioned devices were as safe and effective as new pacemakers, potentially offering affordable options ...

Arvind Sridhar does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...