Fig. 1From: Optimal length of R–R interval segment window for Lorenz plot detection of paroxysmal atrial fibrillation by machine learningTrend graph of R–R interval time series showing a transition from non-atrial fibrillation (non-AF) to atrial fibrillation (AF) in a patient with paroxysmal AF (a). b, c show Lorenz plots (LP) during non-AF and AF, respectivelyBack to article page