Drager Modes & Variables

Question 1

What are three extended configurations offered on Drager vents?

Answer 1

Pressure Support
Autoflow
Volume Guarantee

Question 2

When a breath is initiated by the patient, it is called ___. They are ___ triggered breaths.
When it’s triggered by the vent, it’s called ___. They are ___ triggered breaths.

Answer 2

Patient triggered, flow cycled

Mechanically triggered, time cycled

Question 3

According to Drager, when should alarm limits be checked?

Answer 3

With every patient admission and every change in ventilation mode.

Question 4

For a patient on VC, what’s the most important alarm(s)?

Answer 4

Phigh

Question 5

For a patient on PC, what’s the most important alarm(s)?

Answer 5

VThigh
VTlow
MVhigh
MVlow

Question 6

In volume control, the flow is ___.

Answer 6

Constant

Question 7

What would happen if the inspiratory flow is so high that the set volume is reached before the set I time has passed? (Not applicable if ___ is enabled.)

Answer 7

There will be a pause in inspiration.

Autoflow

Question 8

There are four VC modes on the Drager. What are they?

Answer 8

VC-MMV (Mand. Minute Vol.)
VC-AC
VC-CMV (Cont. Mand. Vent)
VC-SIMV

Question 9

Autoflow is available in what mode?

Answer 9

All VC breaths

Question 10

What does Autoflow do in regards to pressure?

Flow curve will not be constant, it will be ___.

Answer 10

Ensures that the set tidal volume is applied with the necessary minimum pressure for all mandatory breaths.
Decelerating.

Question 11

On Drager graphics, blue waveforms mean the breath is ___ triggered. Gray breaths mean it’s ___ triggered.

Answer 11

Blue = Machine
Gray = Patient

Question 12

In MMV, the patient can breathe spontaneously. If the spontaneous breathing is not sufficient to achieve the set MV, ___ triggered, ___ cycled mandatory breaths are applied. Pressure support (may/may not) be applied.

Answer 12

Machine, Time

PS may be applied

Question 13

In VC-MMV, the set breathing frequency is the (minimum/maximum) number of mandatory breaths.

Answer 13

Maximum

Question 14

There are six PC modes on the Drager. PC-CMV, PC-AC, and PC-SIMV are three of them. What are the other three?

Answer 14

PC-BiPAP (Biphasic Pos Airway Press)
PC-APRC
PV-PSV

Question 15

In PC the flow pattern is ___.

Answer 15

Decelerating

Question 16

What does volume guarantee do?

Answer 16

Ensures that for all mandatory breaths, the set Tv is applied with minimum pressure.