In terms of specific arrhythmias, sinus tachycardia is the most frequently seen arrhythmia, with supraventricular. tachycardia being the next most common, followed by sinus bradycardia (Hanash, 2010). Reentrant tachycardia is. common in infants and children with congenital heart disease (CHD). Some arrhythmias in the early post operative period like premature atrial contractionâs (PACâs) and premature ventricular beats (bigeminy) are usually transient and well tolerated. Others like junctional ectopic tachycardia (J ET) a nd atrial flutter may cause significant
Twitter was created in March 2006 by Jack Dorsey, Evan Williams, Biz Stone and Noah Glass and launched by July 2006. The service rapidly gained worldwide popularity, with more than 100 million users who in 2012 posted 340 million tweets per day.
AP Images Twitter general counsel Alexander Macgillivray is on a lot of boards. Thanks to paperwork Twitter has to file in Ireland, we seem to have discovered two previously unknown Twitter subsidiariesâwhich may well point to some unreported acquisitions the company made.acgillivray's directorships came to light when we downloaded an annual report for Twitter International, Twitter's Irish subsidiary through which it runs its fast-growing overseas businesses. Twitter has been a voracious acquirer of smaller companies since its purchase of Summize five years ago, as we've noted.