Mayer waves
Definition: Mayer waves are slow oscillations of arterial pressure occurring spontaneously at a frequency lower than respiration (~0.1 Hz in humans). They are tightly coupled with synchronous oscillations of efferent sympathetic nervous activity and are almost invariably enhanced during states of sympathetic activation. Mayer waves are correlated with heart rate variability. They are strongest in adult participants in a sitting or standing position, whereas they are attenuated in the supine position as well as in infants and young children.
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References: https://doi.org/10.1016/j.cardiores.2005.11.008https://doi.org/10.1117/1.NPh.8.4.041001
https://doi.org/10.1142/S0129065720500033
Related terms: arterial blood pressure oscillations, systemic activity, filtering