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.
1 How to renew an EMT certification. 2  In order to recertify, an EMT must possess a current EMT card and have obtained either 24 hours of approved EMS continuing education or an approved 24 hour refresher course within the past two years.3  Any refresher course or CE must be through an approved training program. In order to recertify, an EMT must possess a current EMT card and have obtained either 24 hours of approved EMS continuing education or an approved 24 hour refresher course within the past two years. 2  Any refresher course or CE must be through an approved training program.