Certain substances can contribute to an abnormal/irregular heartbeat, including: 1  Caffeine. 2  Tobacco. 3  Alcohol. 4  Cold and cough medications. 5  Appetite suppressants. 6  Psychotropic drugs (used to treat certain mental illnesses) 7  Antiarrhythmics (paradoxically, the same drugs used to treat arrhythmia can also cause arrhythmia.
Founded as an independent company in 1982, RSA Security, Inc. was acquired by EMC Corporation in 2006 for US$2.1 billion and operates as a division within EMC. RSA is based in Bedford, Massachusetts, with regional headquarters in Bracknell (UK) and Singapore, and numerous international offices.
âRSA sold tokens for more than 25 years,â said Sean Brady, director of product marketing at RSA. âWe recognize that that solution is not the most cost-effective way anymore. Weâve sold software tokens since 2002.â. In a push to keep competitors at bay, EMC is also adding new security features and offering mobile apps.he Hopkinton, Massachusetts-based company agreed to buy RSA Security Inc. for about $2.1 billion in 2006. Sales for the unit rose 7.3 percent to $888.7 million last year, about half the growth rate in 2011.