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 ...

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 ...

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 ...

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 ...