Inspec keywords: statistical analysis; medical signal processing; electrocardiography; patient monitoring

Other keywords: short-term heart rate variability features; mobile phones; HRV; health monitoring; healthcare applications; ultrashort heart rate variability features; wearable sensors; statistical tests; smart watches

Subjects: Digital signal processing; Signal processing and detection; Biology and medical computing; Other topics in statistics; Bioelectric signals; Other topics in statistics; Probability theory, stochastic processes, and statistics; Electrical activity in neurophysiological processes; Electrodiagnostics and other electrical measurement techniques