Most arrhythmias result from problems in the electrical system of the heart. If your arrhythmia is serious, you may need a cardiac pacemaker or an implantable cardioverter defibrillator (ICD). They are devices that are implanted in your chest or abdomen. A pacemaker helps control abnormal heart rhythms. It uses electrical pulses to prompt the heart to beat at a normal rate.
Steven Berlin Johnson (born June 6, 1968) is an American popular science author and media theorist.
This is the latest accepted revision, reviewed on 9 October 2016. John H. Schnatter (born November 23, 1961) is an American businessman and the founder, current CEO, and spokesman for Papa John's International, Inc. He founded the company in October 1984. 1 Early life and education.