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

Cause of ventricular tachycardia determines treatment

Dear Mayo Clinic: Recently, I was diagnosed with ventricular tachycardia, but doctors said a cause cannot be determined. What usually causes this problem? Does knowing the cause make a difference in treatment?

Cardiology

Total alcohol intake not linked to ventricular arrhythmia risk

(HealthDay)—Total alcohol consumption is not associated with an increased risk for incident ventricular arrhythmia (VA), while there is a U-shaped association for alcohol consumption with the risk for sudden cardiac death ...

Cardiology

Abnormal heart metabolism may predict future sudden cardiac death

Adults with abnormal heart metabolism are up to three times more likely to experience life-threatening arrhythmias (an irregular heart rhythm), and MRI techniques could be used to detect the condition and predict future sudden ...

Cardiology

Pacemaker for slow heart rhythm restores life expectancy

Pacemakers implanted for slow heart rhythm restore life expectancy to normal levels, reveals research presented at ESC Congress 2013 today by Dr Erik O. Udo from the Netherlands. The findings provide a new reference point ...

Cardiology

Medical myth: Flatlining patients can be shocked back to life

Beep….beep……….beep……….beeeeeeeeeeeeeeeeeeeeeeeeep. "We're losing him. Out of my way, nurse!" The quick-thinking young doctor charges the defibrillator paddles and places them on the chest of the lifeless patient, ...

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