Department of Geriatric Medicine;
North West Clinics;
Wilhelminalaan;
Alkmaar;
the Netherlands;
Department of Geriatric Medicine;
Dijklander Hospital;
Maelsonstraat;
Hoorn;
the Netherlands;
Department of Cardiology;
North West Clinics;
Wilhelminalaan;
Alkmaar;
the Netherlands;
Department of Internal Medicine;
North West Clinics;
Wilhelminalaan;
Alkmaar;
the Netherlands;
Department of Cardiology;
Rijnstate Hospital;
Arnhem;
the Netherlands;
Department of Cardiology;
Radboud University Medical Centre;
Geert Grooteplein Zuid;
Nijmegen;
the Netherlands;
Atrial; fibrillation; Frailty; Geriatric; patients; Opportunistic; screening; The; elderly;