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NIPPV Review exam with complete solutions 2024_2025
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NIPPV Review exam with complete solutions 2024_2025
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NIPPV Review exam with completesolutions 2024/2025
Intermittent Positive Pressure Breathing - ANSWER-IPPB
IPPB flow - ANSWER-determines A-time
increased flow = decreased I-time
decreased flow = increased IN-time
adjust so I-time is 1-1.5 seconds
IPPB sensitivity - ANSWER-determines difficulty/ease of initiating inspiration
increased sensitivity (smaller number) = easier to initiate
decreased sensitivity (higher number) = harder to initiate
adjust so manometer needle doesn't go more than 1-2 cm from baseline
IPPB pressure - ANSWER-determines volume delivered to patient
increased pressure = increased VT
decreased pressure = decreased VT
adjust to hyper inflate to 1.5-2 times their normal VT
start low, and continue increasing until breath sounds heard in bases
IPPB FiO2 - ANSWER-either 100% or "air-mix" (usually "air-mix")
100% : does not entrain room air, will need to increase flow on machine
air-mix : FiO2 varies according to flow and set pressure, bird = about 40-60%,
bennett = about 65-95%
IPPB troubleshooting - ANSWER-breath starts too easily: decrease sensitivity
breath will not end: increase flow rate, check for leaks
inhalation lasts more than 1-1.5 seconds: increase flow rate, check for leaks
never reaches set pressure: increase flow rate, check for leaks
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