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what does a mecury barometer measure
barometeric pressure
when using a mercuring barometer, the pressure is measured from the ___ of the meniscus
top
if the water is in the barometer instead of mercury, where is the measurement assessed
bottom of the meniscus
list examples of equipment that utilize an aneroid barometer
bp cuffs
in ventilators to record pressure
what is maximum inspiratory pressure used to assess
rediness to wean in ventilator pt
what is the minimum acceptable value
< -20 cmh20 pressure indicates ins. muscle weakness
what does a maximum exp pressure measurement evaluate
pt ability to maintain an airway and clear secretions (cough affectively)
what is the minimum acceptable value for MEP
< +40 cmh20 pressure indicates poor ability to clear secretions
how should the RT instruct a pt to perform a VC maneuver
max ins followed by a max. exh W/OUT force
the VT maneuver will provide the important ____ used to identify restrictive disease
volumes
what five volumes are measured when a VC is recorded
vt- normal breathing
irv
erv
ic (irv +vt)
vc (irv+vt+erv)
a decreased ___ is the best indicator of ___ lung disease
vc
restrictive
Author
Anonymous
ID
80593
Card Set
pft 2
Description
pft 2
Updated
2011-04-19T07:13:22Z
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