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Critical Transition Theory Shows Flickering in Heart Before Atrial Fibrillation

Phys.org

Credit: Yew Wai Liew

Phys.org

Affecting up to 4% of patients older than 65 years, atrial fibrillation ranks among the most common heart conditions. Described by health professionals as an "irregularly irregular" heart rhythm, episodes of atrial fibrillation continue to prove difficult to predict.

An international team of researchers, led by Boon Leong Lan, at Monash University Malaysia, has proposed a way to define cardiac state and has studied the dynamics of the state before the cardiac rhythm changes from normal sinus to AF rhythm and vice versa. The work, appearing in Chaos, and based on critical transition theory ...