Heart Disease Slideshow Pictures Medical Illustrations of the Heart Image Collection Take the Heart Disease Quiz! Bradycardia: A slow heart rate, usually defined as less than 60 beats per minute. From Healthy Heart Resources Keep Your Hearth HealthyHealth Insurance: The FactsYour Medications and Hearing Loss Featured Centers When Prostate Cancer SpreadsEssential Tips to Manage DiabetesWhat Is Cystic Fibrosis? What Causes It? Health Solutions From Our Sponsors Kept Your Wisdom Teeth? Therapy at Home?