You know the feeling. When you first see your crush and your head starts spinning, your palms get sweaty, and your heart begins beating a mile a minute. Is this love? Or is it … an arrhythmia? The ...

A fast heartbeat can be caused by emotions like stress or anxiety. Dehydration, or drinking caffeine or other stimulants, can ...

First-degree ventricular (heart) block affects the electrical signal that makes the heart beat. It causes a delay in a portion of the heart beat and may lead to a slow heart beat. Healthcare ...

The journey doesn’t end after surviving a heart attack. In fact, approximately one in five survivors will experience another cardiac event within five years. This sobering reality means that recovery ...

MIT's rather fabulous Computer Science and Artificial Intelligence Laboratory (CSAIL), after using humble WiFi waves to sense movement behind a wall, has now improved its technology to the point that ...