Atrial fibrillation associated with only one kind of heart attack Refining the effects of a 2013 research, researchers have discovered that atrial fibrillation, or irregular heartbeat, is connected with only one kind of coronary attack – the more prevalent of both types. The scholarly study, led by Elsayed Z. Soliman, M zithromaxenlinea.com zithromaxenlinea.com .D., director of the Epidemiological Cardiology Analysis Middle at Wake Forest Baptist INFIRMARY, is released in the April 27 problem of the American Center Association journal Circulation. Atrial fibrillation, or a-fib, may be the most prevalent center rhythm disorder, influencing as much as 6 million Us citizens, and is definitely known to become a risk element for stroke.