Body Plethysmography Flashcards
1
Q
What 2 things will a body box measure?
A
Vtg (thoracic gas volume) and Raw (airway resistance)
2
Q
What must remain constant for a body box to make accurate measurements?
A
Temperature
3
Q
The body box is the most accurate way to measure what?
A
air trapping.
4
Q
What should be increased if there is a leak in the door seal or the vent port?
A
You should increase the gain.
5
Q
What speed should a patient pant while using the body box to measure Vtg?
A
A rate of 30-60 gentle pants per minute while the shutter is closed, starting at end expiration.
6
Q
What should you report from a body box test?
A
The mean of 3 acceptable maneuvers that are within 5% of each other.
