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Lab Lecture > LET > Flashcards

LET Flashcards

1
Q

What is another name for LET

A

Hyperinflation therapy

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2
Q

What demographic benefits the most from pursed lip breathing

A

COPD

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3
Q

IS Description

A

Low-level resistance
Maximum inspiration
Goal-oriented
Flow or volume

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4
Q

How much PEP is delivered to patients with (PEP)

A

Up to 20 cm H2O

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5
Q

What is the use of the PEP mask

A

Intermittent therapy

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6
Q

How should the patient exhale using PEP

A

Gently

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7
Q

How much long should exhalation last for PEP compared to inhalation

A

Three times longer

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8
Q

What should a patient do after preforming PEP

A

3 huffs

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9
Q

What anatomical pressure does CPAP elevate

A

Intrathoracic
Alveolar

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10
Q

What capacity does CPAP increase

A

FRC

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11
Q

Is CPAP delivered continuously or intermittently

A

Both

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12
Q

Is CPAP delivered invasively or non-invasively

A

Both

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13
Q

Explain bubble CPAP

A

A water column threshold resistors

Water is adjusted to achieve pressure

Used with neonates

Uses continuous flow source at a specific FiO2

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14
Q

Explain CPAP spring-loaded valve (how much pressure)

A

Creates PEP as spring exerts force against plastic disk

5-20 cm H2O

AMBU PEEP valves

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15
Q

Explain CPAP magnetic valves (pressure)

A

Uses a solenoid to create a electromagnetic force when current passes

3-30 cm H2O

Used in mechanical ventilator

BE142 magnetic PEEP valves

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16
Q

What triggers IPPB

A

Spontaneous breathing

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17
Q

How is IPPB cycled

A

Flow, pressure, or time

18
Q

How is IPPB utilized

A

Stand-alone positive pressure device

Invasive or non-invasive ventilator

19
Q

Is IPPB powered with pneumatic or electric

A

With either one

20
Q

Settings for IPBB application

A

Inpatient, outpatient and home

21
Q

Interface for IPPB

A

Mouthpiece
Mask
Mouth shield
Direct connection to artificial airway

22
Q

IPPB brief treatment length

A

20 minutes to 1hour

23
Q

How is the patient seated for IPPB

A

Semi fowler

24
Q

Pressure for IPPB

A

10-15 cm H2O

25
Q

Use for IPPB

A

Postoperative atelectasis

26
Q

Inspiration to expiration ratio for IPPB

A

1:3

27
Q

What is EzPAP a hybrid of

A

IPPB and PEP

28
Q

What does IPPB enhance

A

Collateral ventilation

29
Q

Flow range for EzPAP

A

5-15L/min

30
Q

When is pressure delivered with EzPAP

A

Exhalation

31
Q

What decreases the PEP received with EzPAP

A

Greater inspiratory flow

32
Q

EZPAP versus IS

A

EZ- positive during inspiration and expiration

Usually more comfortable to patients (pressure can be uncomfortable)

33
Q

Directions for directed cough

A

Deep breath and hold with abdominal muscles forcing air to closed glottis

Cough with a single exhalation

Take several normal before next attempt

34
Q

Huff cough directions

A

3-5 diaphragmatic breaths

Exhale from mid to low lung (clears peripheral AW)

Take normal breath and squeeze out by contracting abdominal and glottis

Exhale from high to mid lung when secretions reach larger AW

35
Q

Indication for mechanical cough assist

A

Trauma
Muscular dystrophy
Myasthenia gravis
Poliomyelitis
Spinal cord injury

36
Q

What is autogenic drainage

A

A technique that uses large breathes out to loosen mucus in the lungs (CF kids)

37
Q

How do you preform Auto drainage

A

Take a large breath in, hold in

Take a small to normal breath in and hold

Breath out through the mouth

38
Q

Inspiratory and expiratory flows for the mechanical cough assist

A

3.3 to 10L/sec

39
Q

Positive and negative pressure for mechanical cough assist

A

60 to -60 cm H2O

40
Q

Mechanical cough assist interfaces

A

Oronasal mask
Mouthpiece
Connection to ETT

Lab Lecture (5 decks)

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