Exploring Associations Between Early Cognitive Impairment and Echocardiographic Markers in Middle-Aged Patients with Atrial Fibrillation and Cardiometabolic Comorbidities: A Pilot Study. - Atanasova, Borislava; Tokmakova, Mariya; Dzhambov, Angel M.; Chitak, Rafiela; Atanassova, Penka (Clinics & Practice, 2026)