Lecture 10: Mechanical Circuits Flashcards
1
Q
Describe the similarities between mechanical, hydraulic, pneumatic and electric systems
A
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2
Q
Draw the pneumatic patient circuit (cct)
A
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3
Q
Risks of cct? Prevented?
A
tissue rupture from over expenditure of lungs
how is this prevented? 2 pressure sensors –> open cct to atmosphere & alarm
4
Q
Thorax anatomy?
A
Chest Wall
- rib cage
- pleural cavity
- respiratory muscles
- diaphragm
- accessory muscles
- intercostal muscles
- abdominal muscles
The Lungs
- right and left lung
- airways
5
Q
Describe the static capacities of the lung
A
TLC RV VC FRC IC ERV VT IRV
6
Q
Draw static pressure-volume curves
A
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7
Q
How do you derive lung pressure?
A
Pl = Paw - Poes = Pal - Ppleural
