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ARTP > 10: Common Vent Settings/controls > Flashcards

10: Common Vent Settings/controls Flashcards

1
Q

If your patient is in a spontaneous mode of ventilation with no set rate, which alarm would you see if the pt was to stop breathing?

A

Apnea

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2
Q

Which alarm would you see if the ventilator loses medical gas supply

A

Vent inoperative (A/C)

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3
Q

Which modes of ventilation can we support a pt’s spontaneous breathing with pressure support?

A

PSV SIMV CPAP + PSV

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4
Q

Which monitored value would you utilize to assure the preset tidal volume is being delivered to the pt?

A

Exhaled Vt (end-tidal volume)

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5
Q

Which alarm would you monitor during CPAP ventilation to assure preset CPAP pressure is being maintained?

A

Low pressure alarm

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6
Q

What are some possible causes for the low exhaled minute volume (VE) alarm to sound?

A

Leak/disconnect, pneumo, bradypnea,air trap, asynchronous etc

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7
Q

What occurs when the ventilator loses electrical power?

A

Battery operation alarm use battery backup

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8
Q

What would you do if all electrical power to the ventilators in the ICU is lost?

A

Call sup
Bag

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9
Q

After a vent circuit change, where would you discard the vent circuit?

A

Biohazard/trash

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10
Q

Possible causes for the high pressure alarm to sound?

A

Cough
Kink/occlusion
Water in circuit
Secretions
Bronchospasm
Pneumo
Decreased LC
Increased Raw

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11
Q

What value would you be obtaining if you pressed the inspiratory hold button?

A

Plateau pressure

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12
Q

What value would you be obtaining if you pressed the expiratory hold (pause) button

A

Total PEEP

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13
Q

Contraindications for use of HME

A

Hemoptysis
Copious/thick secretions
Ve <5 or >10
Vte<75%
Hypothermia
Uncorrectable large leak

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14
Q

When to perform SST, EST or pre-use check?

A

Between pt’s
Circuit change
HME -> heated circuit

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15
Q

Type of neb best for pt on vent?

A

Vibrating mesh

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16
Q

What should always be done prior to suctioning a pt while on mech ventilation?

A

Hyperoxygenat/silence alarms

17
Q

What does “air hungry” mean and how to correct problem?

A

Unable to breathe in sufficient air/dyspnea
Increase flow

18
Q

Reasons for high respiratory rate alarm to sound?

A

Trigger sensitivity too low
Anxiety/fear/agitation
Pain
Respiratory distress
Tachypnea

19
Q

Pt in PC, what are some possible causes for pt’s exhaled Vt to trend down?

A

Decreased LC
Increased Raw

20
Q

When to replace a pt’s vent circuit?

A

PRN/when soiled
Per hospital policy

21
Q

What is high pressure cycling and why could it occur?

A

When certain pressure reached, vent cycles to exhalation
Asynchronous/cough

22
Q

What valve opens if the ventilator loses or becomes disconnected from gas source

A

Safety valve -> pt breaths spontaneously room air

23
Q

High minute ventilation alarm should be set at

A

10-15% above baseline/set

24
Q

Low minute ventilation alarm should be set at

A

2 L below baseline

25
Q

High RR alarm should be set at

A

2x set rate

26
Q

Low RR should be set at

A

2 below set

27
Q

Low Vt alarm should be set at

A

100-200 ml below set/measured

28
Q

Low peep alarm should be set at

A

2-3 below set

29
Q

High pressure alarm should be set at

A

10-15 cmH20 above baseline PIP

30
Q

Low pressure alarm should be set at

A

5-10 below baseline PIP

31
Q

Cstat =
And normal values

A

Measured Vt / Pplat - PEEP
60-100 (non vented)
40-60 (vented)

32
Q

Cdyn =
And NV

A

Measured Vt / PIP - PEEP
50 -80 (non vented)
30 - 50 (v)

33
Q

Raw =
And NV

A

PIP - plat / flow in L/sec
0.5-2.5

34
Q

How should you dispose of excessive vent circuit condensation form the vent circuit

A

Away from pt, not back to vent, in trash

35
Q

Vent tubing condensation is considered

A

Infectious waste

36
Q

You have a pt on active Passover humidification with the temp set at 31C and secretions still thick, how to correct?

A

Increase temp

ARTP (9 decks)

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