Effect of oscillatory breathing on the variability of the RR Intervals and its prognostic importance in individuals with left ventricular global systolic dysfunction
Abstract:In healthy individuals, the duration of RR intervals in tha surface electrocardiogram varies cyclically from beat to beat. This variation is more significant in youngsters, is modulated by breathing movements, and is called respiratory sinus arrhythmia.The characteristics of the breathing movements can alter the cyclic variations observed between successive electrocardiographic R waves (RR intervals). These alterations result both from direct influences on the modulation of the parasympathetic nervous system a… Show more
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