Flashcards in Mechanical Ventilation 1A Deck (18)
What mode provides a stable minute volume and more stable blood gasses?
What is TCF?
Tubing Compliance Factor
How do you calculate corrected tidal volume?
Tidal volume - compressible volume
How do you calculate compressible volume?
(PIP - PEEP) x Tubing compliance factor
A normal vital capacity is about ___ to ___.
What is the minimum acceptable vital capacity?
Normally it must be at least ___.
10 mL/kg (2x tidal volume)
Must be at least 1000.
What's a typical NIF or MIP?
What's minimum acceptable NIF or MIP?
Typical is -80.
Minimum acceptable is -20
What is a normal spontaneous tidal volume?
What is the normal minute ventilation?
What is the maximum acceptable minute ventialtion?
What's the minimum acceptable?
Max expiratory pressure
40 cm H2O
What's the normal VD/VT %?
What's maximum acceptable
Max acceptable: 60%
What's a normal Cst?
Normal: 60-100 mL/cm H2O
Lowest acceptable: 25
(Unacceptable: Less than 25)
At room air, what's a normal A-a DO2?
5-10 mm Hg
Max acceptable: 10-15 mmHg
At 100% FiO2, what's a normal A-a DO2?
Normal: 25-65 mm Hg
Max acceptable: up to 300
(More than 300: Unacceptable)
What's a normal Qs/Qt?
If the A-a DO2 is greater than 300 mm Hg on 100% FiO2, that means that there's a problem with ___.
What is another word for "Dynamic Hyperinflation"?