Rev. ed. of: Manual of pulmonary function testing / Gregg L. Ruppel. 9th ed. c2009.Arterial pulsation Variable absorption Venous absorption A bsorptio n Tissue absorption DC AC Time FIGURE 11-35 ... in nature and changes absorption as blood pulses through the arterioles; this is represented as the AC component. ... Because the AC, or pulsatile component, is usually much smaller than the DC component, detecting it can sometimes cause problems. ... Some oximeters use multiple digital filters to discriminate motion artifact and produce a more reliable signal.
|Title||:||Ruppel's Manual of Pulmonary Function Testing10|
|Publisher||:||Elsevier Health Sciences - 2012-10-13|