Copyright &copy 1997-2010 by Fred SeneseComments & questions to fsenese@frostburg.eduLast Revised 08/17/15.URL: http://antoine.frostburg.edu/chem/senese/101/consumer/faq/why-does-alkaseltzer-fizz.shtml.
Atrial flutter symptoms can come and go, with fast heart beat episodes lasting from some hours or days. In some cases, atrial flutter happens all the time. With proper treatment, atrial flutter is rarely life threatening. Complications of atrial flutter can be serious, but they can usually be prevented with treatment.
Atrial fibrillation or flutter. Atrial fibrillation or flutter is a common type of abnormal heartbeat. The heart rhythm is fast and most often irregular. When working well, the four chambers of the heart contract (squeeze) in an organized way. Electrical signals direct your heart to pump the right amount of blood for your body's needs.