A pacemaker from Medtronic, newly approved by the Food and Drug Administration, allows patients to securely transmit data from the pacemaker to their physicians via a smartphone or tablet using ...

A brand-new monitoring device for patients with heart failure may be able to detect signs of fluid overload, and could be used to monitor patients and help prevent hospital admissions, according to a ...

Accurately measuring electrical signals and calcium levels in the heart can lead to earlier treatment of potentially fatal conditions, such as heart attack or congestive heart failure. Calcium plays ...

Your heart’s job is to keep your pulse steady to pump blood throughout your body. Sometimes your heart rate is slower when you’re relaxing, and sometimes it’s faster when you’re exercising or stressed ...