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 (plĕ-thĭz′mə-grăf′, plə-)
An instrument that measures variations in the size of an organ or body part on the basis of the amount of blood passing through or present in the part.

[Greek plēthusmos, increase (from plēthūnein, to increase, from plēthūs, quantity, from plēthein, to be full; see pelə- in Indo-European roots) + -graph.]

ple·thys′mo·graph′ic adj.
pleth′ys·mog′ra·phy (plĕth′ĭz-mŏg′rə-fē) n.


(Physiology) the tracking of changes measured in bodily volume


n. pletismografía, registro de las variaciones de volumen que ocurren en una parte u órgano en relación con la cantidad de sangre que pasa sobre los mismos.


n pletismografía
References in periodicals archive ?
Previous research supports the validity of each individual variable which is integrated in to the latter device; Heart rate (HR) through chest mounted electrodes (Leger and Thivierge, 1988; Macfarlane et al., 1989; Terbizan et al., 2002), Breathing Frequency (BF) through respiratory inductive plethysmography (Grossman et al., 2010; McCool et al., 2002; Witt et al., 2006), Skin Temperature (ST) using infra-red technology (Burnham et al., 2006; Hershler et al., 1992; Matsukawa et al., 2000), Tri axial Accelerometry (ACC) (Powell and Rowlands, 2004; Rowlands et al., 2003) and Posture (P) (i.e.
Chest wall excursion was measured by respiratory inductive plethysmography (RIP), (Respitrace PT, Model 105042-01, NIMS Inc., Miami Beach, Florida, U.S.A.).
Comparing the data to other corresponding respiratory inductive plethysmography technology, a non-active environment presented stronger test-retest relationships (r = ~ 0.8) (Grossman et al., 2006) and a repeated within subject treadmill test for the Lifeshirt[TM] device reported CV ~10 (Kent et al., 2009).
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