Method of investigation of deviations from the normal duration of the cardiac cycle.
An electronic systems for determining the frequency of deviations from the normal duration of the cardiac cycle is described.
D001145:Arrhythmias, Cardiac / Q000175:diagnosis* / Q000503:physiopathology; D004582:Electronics, Medical; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D005222:Mental Fatigue / Q000503:physiopathology*