Low Flow Oxygen Therapy Delivery Devices – Flashcards
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What is the most common low flow device used?
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Nasal cannula
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CO2 Level can be abstained form an ?
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ABG
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Which of the following provides the best indication of the adequacy of alveolar ventilations?
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Arterial blood gas
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When patient has a known obstructive disease?
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Use O2 with caution
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When the patient isn't known to have an obstructive disease ?
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Use O2 Therapy if incated
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What do we acquire from an ABG?
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Oxyhemoglobin
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Less than 90 is a decline in?
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PaO2
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Weak relationship/more pressure
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Right shift
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Strong relationship/less pressure
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Left shift
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Tipping point on the 02 curve?
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60 torr
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What is the Gail of oxygen therapy?
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To treat or prevent hypoxia
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Will a low flow device meet or exceed a patients inspiratory needs? True or false
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False
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Can you set FiO2 on a low flow device?
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No
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This device supply O2 at flowrate less than patient inspiratory demands
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Low Flow Device
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Low Flow Device
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Variable Performance
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High Flow Devices
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Fixed performance
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This device meet or exceed the patient inspiratory needs
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High Flow Device
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Can you set FiO2 on a high Flow Device?
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Yes
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Supply O2 greater than patient inspiratory demands
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High Flow Device
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#1 goal of O2 Therapy?
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Treat or preven hypoxia
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Low Flow Devices
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Nasal Cannula Nasal Catheters Transtracheal Catheters Simple mask
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Types of reservoir cannula
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Mustache Pendent
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Oxygen conserving devices
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Takes what's in the wall and cause you to deliver higher total flows without requiring more flow at the gas source
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Types of oxygen conserving Devices
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Transtracheal Oxygen Catheters (TTO) Nasal Catheter
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This device goes lower into the TB Tree
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Nasal catheter
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Partial rebreathing mask
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Rebreathing some of the expired gas; dead space gas
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Range on most low Flow oxygen devices
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0.22 to 0.80 FiO2
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FiO2 Level Depend on
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Patients Inspiratory Flow Tidal volume Flow of supplied oxygen
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(Almost) High Flow Devices
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Partial rebreathing mask Non rebreathing mask
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Two types of nasal cannula
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Flaired Prongs Straight Prongs
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Nasal cannula length
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6-8ft Some 100ft
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Standard nasal cannula use what type of tubbing?
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Standard bore tubbing
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Nasal cannula can be used to care for what patients
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Infants Peds Adults Older Patients
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Nasal Cannula is sized by patient population? True or false
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True
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Nasal Prongs
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Straight Curved tapered, non tapered
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Common flow rates for standard nasal cannula in adults?
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1-6 Lpm
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Common flow rates for standard nasal cannula in Peds?
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1-6 Lpm
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Common flow rates for standard nasal cannula in Neonates?
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0.25-2 Lpm
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Micropremature Neonates flow rates for standard nasal cannula?
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.1 Lpm
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Do we add humidity to Adults , Peds, &Neonates when using a nasal cannula? True or false
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True
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Oxi-Ears
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Padding that wrap around nasal Cannula to prevent breakdown of patient skin
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Nasal Catheter is a low Flow Device? True or false
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Ture
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Flow rate for nasal Catheter
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0.25-6 Lpm
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Is the nasal Catheter a long term oxygen delivery device? Yes or no
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Yes
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Should the nasal Catheter be humidified ? Yes or no
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Yes
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The nasal Catheter doesn't bypass the ?
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UAW
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How often should the nasal Catheter be switched?
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8-12 hours
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Who the patient have an increased chance of infection with use of a nasal Catheter? True or false
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True
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Transtracheal Catheter
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Most invasive low Flow O2 device
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O2 is delivered directly into the trachea using what device?
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Transtracheal Catheter
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FiO2 range use a transtracheal Catheter?
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22-35%
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Transtracheal Charles is places at the level of ?
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Normal Tracheotomy
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Transtracheal Catheter also known as ?
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TTO OR TTOT
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Does the transtracheal require surgery?
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Minor surgery
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With transtracheal Catheter the stent is placed ?
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Between 2nd and 3rd tracheal rings
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How long will the stent be in place?
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1 week
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When the stent is removed it's replaced with?
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9F Teflon Catheter
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What type of solution would you use in a transtracheal Catheter procedure?
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Isotonic solution
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The transtracheal Catheter is held in place by a ?
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Neck chain
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When should the transtracheal be replaced?
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Less than 90 days
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Reservoir cannula
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Fresh bolus of gas only ejected during inspiration
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Mustache Cannula
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Continuously filled
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Pendent cannula
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Passively filled
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This cannula inflates in early exhalation
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Mustache cannula
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Simple mask
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Fits over patient mouth and nose
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Simple mask reservoir
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100-200 mls
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Simple mask deliver
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.30-.60 FiO2 5-10Lpm
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Minimum Flow for simple mask?
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5 Lpm
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Simple mask is used for patients that need flows above
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4 Lpm
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Would you put a patient who is omitting on a mask? True or false
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False
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Oixmask
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Special O2 mask
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Is oximask the same as a simple mask?
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No
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You can deliver higher Fi02 with this mask
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Oximask
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Is oximask a high Flow ? True or false
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False
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The oximask deliver flow similar to what device?
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Nasal Cannula
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Your patient can tolerate Micah higher flows on what device?
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Oximask
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Partial rebreathing mask
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Face mask & reservoir bag
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partial rebreathing mask holds?
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300-60mls
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Partial rebreathing mask delivers FiO2 at a rate of
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.40-.70
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The bag on the partial rebreathing mask must be maintained at
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2/3 full
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Device designed to deliver highest FiO2 flows
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Partial rebreathing mask
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Minimum Flow for a partial rebreathing mask?
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10-15Lpm
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The average Ill patient need how much flow on a partial rebreathing mask
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30-60lpm
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Non rebreathing mask
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Has 1-way valves between bag & mask; on exhalation parts
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Minimum Flow for non rebreathing mask?
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10-15 Lpm
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If the patient is breathing faster on non rebreathing mask
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FiO2 decrease
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If the patient is breathing deep on non rebreathing mask
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FiO2 increase
