Pulseless electrical activity (PEA) is an especially serious heart arrhythmia related to weak or undetectable electrical activity. PEA can be a precursor to sudden cardiac death, so its symptoms ...

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 ...

Q: Even though my doctor told me I am pretty healthy, she ordered an electrocardiogram (ECG) to be done right in her office. Besides a heart attack, what else can ECGs show? A: Cardiac (heart) cells ...

Environmental phenols are found in a wide range of common consumer products. They include preservatives in packaged foods, parabens in shampoos and bisphenol A (BPA) in plastic dishware, so humans ...

Sept. 25 (UPI) --Researchers have succeeded in creating a digital twin that for the first time replicates the heart's electrical conduction system, which coordinates heartbeats, a new study says. The ...

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

Electrophysiology is a branch of medicine concerning the heart’s electrical system. An electrophysiologist tests the electrical activity of the heart and can diagnose and treat a number of conditions.

June 24 -- TUESDAY, June 23 (HealthDay News) -- A slight abnormality in an electrocardiogram (EKG), until now thought to be insignificant, can be a warning sign of future cardiac problems and an ...

Heart racing suddenly during workouts or daily activity? Doctors explain supraventricular tachycardia (SVT), its symptoms, causes, and when to seek help.