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.
1 Jon Porush claims that the new Scorceses flick, which features Jonah Hill playing a character based on his father, is a wildly inaccurate version of events. 2  Jon Porush, son of the Wall Street exec Danny Porush, told The News that 'the characterizations (in the movie) I've seen could not be more inaccurate.'.