Add Yahoo as a preferred source to see more of our stories on Google. Electrocardiograms, or ECGs, record the electrical activity of your heart. Randy Faris/The Image Bank via Getty Images Your ...

Learn why your heart may be beating slowly, and when it is normal and when it is not, prompting immediate check-up.

Q: My doctor ordered an ECG and told me I had a second-degree heart blockage. My husband and I have been Googling heart blockage, and we are kind of freaking out. Any advice? A: Unfortunately, the ...

A team of scientists led by Johns Hopkins cardiologist and biomedical engineer Hiroshi Ashikaga, MD, PhD, has developed a mathematical model to measure and digitally map the beat-sustaining electrical ...

Virginia Tech researchers studying how a usually benign virus attacks the human heart with sometimes fatal consequences determined that the virus disrupts the heart's electrical system—and with dual ...

Electrical problems in the heart can often lead to serious and fatal complications including complete heart block or heart failure. Left ventricular conduction disease occurs when there is an ...

It is still elusive to what extent interactions between different cell types of the heart influence the normal heart rhythm and possibly trigger life-threatening arrhythmias. A new measurement method ...

Electrical stimulation of human heart muscle cells engineered from human stem cells aids their development and function, researchers have demonstrated for the first time. They used electrical signals, ...

CINCINNATI (WKRC) – There is a new concern that women with breast implants need to know about. A study released on Wednesday says that breast implants can interfere with a certain heart test and raise ...

One possible treatment option for cardiac arrhythmias are approaches that enhance electrical excitability and action potential conduction in the heart. One way this could be done is by stably ...

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 ...