Mechanical Ventilation

Question 1

Control

Answer 1

The machine does all the work; preset title volume and respiratory rate

Question 2

Assist-control

Answer 2

Same as control, but client can trigger the machine. If triggered, the machine delivers the preset volume

Question 3

Synchronized intemrittent mandatory ventilation/intermittent mandatroy ventilation
SIM/IMV

Answer 3

Patient gets a preset number of breaths at a preset tidal volume but can take his own breaths at whatever tidal volume he pulls

Question 4

CPAP

Answer 4

Breathing spontaneously but at a pressure greater than atmospheric

Question 5

Indications for CPAP

Answer 5

OSA

Pulmonary HTN

Question 6

Positive end expiratory pressure

PEEP

Answer 6

Maintains intrathoracic airway pressure above atmospheric throughout expiration

+5, +10

Question 7

Pressure Support

Answer 7

Inspiratory effort totally unassisted, but a preset amount of airway pressures delivered with each breath
+5, +10

Question 8

Bilevel postive airway pressure

BiPAP

Answer 8

CPAP + PEEP

Question 9

Key Ventilator Settings

Answer 9

1. Mode
2. FIO2
3. TV
4. RR
5. PEEP
6. PS

Question 10

FIO2

Answer 10

RaO2 21%
Give the lowes amount to provide acceptable paO2 > 60
High concentrations over long perioids of time are toxic to lung tissue

Question 11

TV

Answer 11

Amount of gas delivered per breath

Vent: 5-7 ml/kg of ideal body weight

Question 12

Weaning

Answer 12

1. PS
2. PEEP ( down to 5 or off)
3. Neuro intact