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Exam (elaborations)

PEEP & CPAP (exam 1) Questions and Answers (100% Pass)

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PEEP recruits a certain number of collapsed alveoli increases FRC & increases compliance in the dependent are (lower lobe) of lung *compliance decreases in the non-dependent (upper lobe) area of the lung due to overdistention Indications of PEEP Refractory Hypoxemia (will not respond to supplemental O2) Shunt of >30% Atelectasis with decreased FRC decreased compliance Certain disease processes Goals of PEEP enhance tissue oxygenation maintain PaO2 >60 & SpO2 at or >90% @ acceptable pH Recruit alveoli & maintain Master01 | September, 2024/2025 | Latest update 1 | P a g e | © copyright 2024/2025 | Grade A+ Restore FRC Initiating PEEP FIO2 >.50 PIP >35 cwp is PaO2 still <60: then start to increase PEEP by 3-5 until: 1. acceptable oxygenation achieved 2. unacceptable side effects occur: decreased compliance decreased cardiac function barotrauma Levels of PEEP Minimum "physiologic" 3-5 moderate 5-15 maximum >15 Optimal - PEEP level which achieves maximum benefits with least side effects Physiologic Effects of PEEP on: Master01 | September, 2024/2025 | Latest update 1 | P a g e | © copyright 2024/2025 | Grade A+ PaO2 - up FRC - up PaCO2 - down

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Uploaded on
October 2, 2024
Number of pages
8
Written in
2024/2025
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Exam (elaborations)
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  • peep cpap exam 1 questions and answers 100
  • peep recruits a certain number of collapsed alve

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1 | P a g e | © copyright 2024/2025 | Grade A+




PEEP & CPAP (exam 1) Questions
and Answers (100% Pass)
PEEP


✓ recruits a certain number of collapsed alveoli

✓ increases FRC & increases compliance in the dependent are (lower

lobe) of lung

✓ *compliance decreases in the non-dependent (upper lobe) area of

the lung due to overdistention




Indications of PEEP


✓ Refractory Hypoxemia (will not respond to supplemental O2)

Shunt of >30%


Atelectasis with decreased FRC


decreased compliance


Certain disease processes




Goals of PEEP


✓ enhance tissue oxygenation

maintain PaO2 >60 & SpO2 at or >90% @ acceptable pH


Recruit alveoli & maintain
Master01 | September, 2024/2025 | Latest update

, 1 | P a g e | © copyright 2024/2025 | Grade A+

Restore FRC




Initiating PEEP


✓ FIO2 >.50

PIP >35 cwp


is PaO2 still <60: then start to increase PEEP by 3-5 until:


1. acceptable oxygenation achieved


2. unacceptable side effects occur:


decreased compliance


decreased cardiac function


barotrauma




Levels of PEEP


✓ Minimum "physiologic" 3-5

moderate 5-15


maximum >15


Optimal - PEEP level which achieves maximum benefits with least side effects




Physiologic Effects of PEEP on:


Master01 | September, 2024/2025 | Latest update
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