Cardiology

What is cardiac arrest? A heart expert explains

Cardiac arrest (or sudden cardiac arrest as it is more formally known) is a medical emergency. It happens when an event, usually an electrical disturbance, quickly and unexpectedly causes your heart to stop working. It's ...

Cardiology

Researchers map rotating spiral waves in live human hearts

Electrical signals tell the heart to contract, but when the signals form spiral waves, they can lead to dangerous cardiac events like tachycardia and fibrillation. Researchers at the Georgia Institute of Technology and clinicians ...

Health

Air pollution linked to deadly heart rhythm disorder

Life-threatening arrhythmias are more common on days with highly polluted air, according to research presented May 21 at Heart Failure 2022, a scientific congress of the European Society of Cardiology (ESC). The study was ...

Cardiology

Calculating a dangerous heartbeat

How ventricular fibrillation will behave in an individual patient can be accurately modeled and predicted using a single mathematical equation, according to Flinders University researchers.

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