26
infrared heating lamps, or direct sunlight;
c) Vascular dyes or external used color-up product
such as nail enamel or color skin care;
d) Excessive patient movement;
e) Placement of a sensor on an extremity with a
blood
pressure
cuff,
arterial
catheter,
or
intravascular line;
f) Exposure to the chamber with High pressure
oxygen;
g) There is an arterial occlusion proximal to the
sensor;
h) Blood vessel contraction caused by
peripheral vessel
hyperkinesias or body
temperature decreasing;
i) Low perfusion condition (Perfusion Index is