Fluke Biomedical MPS450 Operators, Operator'S Manual

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MPS450
Operators Manual
B-4
Table B-1. Glossary (cont.)
Term Definition
THERMODILUTION The measuring of temperature change, enabled by the injection of a
cold or room-temperature solution (such as saline) into the right
atrium
by means of a
Swan-Ganz
procedure.
VENOUS (1) Of or pertaining to a vein or veins. (2) Returning to the heart through
the great veins.
VENTRICLE A small anatomical cavity or chamber, as of the brain or heart,
especially (1) the chamber on the left side of the heart that receives
arterial blood from the left
atrium
and contracts to drive it into the
aorta
, and (2) the chamber on the right side of the heart that receives
venous blood from the right atrium and drives it into the pulmonary
artery
.
VOLT The International System unit of electric potential and electromotive
force, equal to the difference of electric potential between two points on
a conducting wire carrying a constant current of one
ampere
when
the power dissipated between the points is one watt.
WAVEFORM (1) The mathematical representation of a wave, especially a graph of
deviation at a fixed point (baseline) versus time. (2) On an ECG tracing
or output, the size, shape, and distance (in milliseconds) of a P-QRS-T
complex.
WAVELENGTH In a periodic wave, the distance between two points of corresponding
phase in consecutive cycles.