After Los Angeles Chargers head coach Jim Harbaugh walked off the field Sunday night with an atrial flutter flare-up, Newscenter 5 spoke with the deputy chair of Mass. General's Emergency Medicine ...

There are times, however, when the multicolored ventricles of my Indian heart cough and wheeze, churning up a song or two.

UC study of Fernald data links environmental phenols to heart toxicities Environmental phenols are present in numerous ...

Some environmental phenols are known to have cardiac toxicities. Now, a new study is revealing their adverse impact on the heart's electrical properties.

That's a delay in the time it takes for electrical signals to move from the atria at the top of the heart to the ventricles, ...

Researchers found higher exposure to BPA, BPF and BPA+F in women is associated with a longer PR interval, a delay in the time it takes for electrical signals to move from the atria at the top of the ...

A routine 20-week ultrasound visit revealed a startling reality for Sarah Evans-Townsend and her husband Lee. Their son ...

With second-degree heart blocks, some signals from the atria (upper chambers of the heart) do not reach the vestibules (lower ...

A ventricular assist device (VAD) is a temporary or long-term therapy for heart failure. Learn about different types of ...

A few days after Mindy Beyer was born, doctors delivered crushing news to her parents: You'll be lucky if your baby lives ...

This stimulates the upper chambers (left and right atria) to contract to pump blood down to the lower chambers (ventricles). The electrical impulse travels to an area called the atrioventricular (AV) ...

It occurs when a small extra pathway exists in or near the AV node — the "gate" that sends electricity from the upper chambers (atria) to the lower chambers (ventricles). An electrical impulse that ...