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Figure 4 | BioMedical Engineering OnLine

Figure 4

From: Assessment of the dynamics of atrial signals and local atrial period series during atrial fibrillation: effects of isoproterenol administration

Figure 4

LAP series in the four analyzed phases and the corresponding NCCE functions. Example of LAP series during (a) SR, (b) SRISO, (c) AF, (d) AFISO; (e)-(h) the corresponding NCCE functions (solid lines) depicted as sum of two terms: the decreasing one (CE, dotted line) and the increasing one (the corrective term, dash-dotted line). A clear increase in the minimum value (*) can be observed passing from SR to SRISO to AF to AFISO; therefore the R index = 1 - min(NCCE) (see text for more details) decreases passing from SR to SRISO to AF to AFISO.

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