Mechanical Ventilation 1A Flashcards Preview

NBRC Questions > Mechanical Ventilation 1A > Flashcards

Flashcards in Mechanical Ventilation 1A Deck (18):
1

What mode provides a stable minute volume and more stable blood gasses?

Volume control

2

What is TCF?

Tubing Compliance Factor

3

How do you calculate corrected tidal volume?

Tidal volume - compressible volume

4

How do you calculate compressible volume?

(PIP - PEEP) x Tubing compliance factor

5

A normal vital capacity is about ___ to ___.

65-75 mL/kg

6

What is the minimum acceptable vital capacity?
Normally it must be at least ___.

10 mL/kg (2x tidal volume)
Must be at least 1000.

7

What's a typical NIF or MIP?
What's minimum acceptable NIF or MIP?

Typical is -80.
Minimum acceptable is -20

8

What is a normal spontaneous tidal volume?

5-8 ml/kg

9

What is the normal minute ventilation?
What is the maximum acceptable minute ventialtion?

5-6 L/min
10 L/min

10

What's MEP?
What's the minimum acceptable?

Max expiratory pressure
40 cm H2O

11

What's the normal VD/VT %?
What's maximum acceptable

Deadspace
20-40%
Max acceptable: 60%

12

What's a normal Cst?
What's acceptable?

Normal: 60-100 mL/cm H2O
Lowest acceptable: 25
(Unacceptable: Less than 25)

13

At room air, what's a normal A-a DO2?
Acceptable?

5-10 mm Hg
Max acceptable: 10-15 mmHg

14

At 100% FiO2, what's a normal A-a DO2?
What's acceptable?

Normal: 25-65 mm Hg
Max acceptable: up to 300
(More than 300: Unacceptable)

15

What's a normal Qs/Qt?
What's acceptable?

Shunting
Normal: 5%
Maximum: 20%

16

If the A-a DO2 is greater than 300 mm Hg on 100% FiO2, that means that there's a problem with ___.

Shunting.

17

What is another word for "Dynamic Hyperinflation"?

Auto-PEEP

18

To disqualify answers on the test, first look at these options:
1. ___
2. ___
3. ___
4. ___

1. Tidal volume (6-8 mL/kg)
2. Rate (10-24 breaths per min)
3. FiO2 (40%-60%)
4. PEEP (0-6)