Risk for heart failure incidence and prognosis	Class	References
Screening for AF in patients with HF should be performed because of the increased risk of adverse cardiovascular outcomes in combination more than the risk conveyed by either disease state alone.		287 , 288
Interval use of echocardiography and arrhythmia directed monitoring for development of AF-induced cardiomyopathy and risk assessment over time should be part of standard follow-up for patients with AF.		289 , 290