Cardiology

Weight-loss surgery boosts success of procedure to fix A-fib

(HealthDay)—Profoundly obese people are prone to an irregular heartbeat known as atrial fibrillation, but new research suggests that weight-loss surgery can improve the odds that a procedure to restore a normal heart rhythm ...

Cardiology

Team studies smarter automatic defibrillator

Thousands of patients with congestive heart failure benefit from automatic implantable cardiac defibrillators (AICDs) that deliver shocks to the heart to correct abnormal heart rhythms. These defibrillators improve survival ...

Cardiology

Computer program predicts risk of deadly irregular heart beats

Combining a wealth of information derived from previous studies with data from more than 500 patients, an international team led by researchers from Johns Hopkins has developed a computer-based set of rules that more accurately ...

Diseases, Conditions, Syndromes

Q&A: Revealing the cause of unexplained fainting

Dear Mayo Clinic: I had a fainting spell the other day, which had never happened to me before in my 64 years. I don't feel unwell, but a friend I was with at the time insists I should see my doctor. Is that necessary? What ...

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