Validation of New and Existing Decision Rules for the Estimation of Beat-to-Beat Pulse Transit Time

<div>The determination of feature point for the PTT estimation using different methods. (a) MIN method. (b) Direct threshold methods (TH20%, TH25%, TH30%, and TH50%). (c) D1 method. (d) D2 method. (e) SSF method. (f) Transect intersection methods (TAN1 and TAN2). (g) McM method. See the text for abbreviation.</div>

BioMed Research International

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Figure 3

Figure 3: Validation of New and Existing Decision Rules for the Estimation of Beat-to-Beat Pulse Transit Time 