Oxygen therapy

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  • Created by: evepoag
  • Created on: 18-05-22 14:55
What does hypoxaemic mean?
Low oxygen levels
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If you give too much oxygen to a COPD patient, what can happen?
increased carbon dioxide (CO2) levels
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What is normal Spo2 for adult patients?
96-98%

But 94-96% is not overly concerning
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What is normal Spo2 for COPD patients?
88-92%
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Name 5 conditions that require high-flow oxygen
1. major trauma
2. sepsis
3. shock
4. lung collapse
5. pulmonary embolism
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What strength of oxygen and mask is used for initial emergency oxygen therapy?
15L/min with a reservoir mask
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If a patient is breathless, and their target saturations are 94-98%, what should you do?
choose mask and flow rate to achieve saturations
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If a patient is breathless, and their target saturations are 88-92%, what should you do?
start with nasal cannulae at 1-2L/min
OR
28% venturi mask then titrate up to reach target saturations

do a blood gas after 30-60 mins
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In a patient with targets 94-98%, how do you titrate oxygen?
Increase 02 if spo2 is lower than range
Decrease 02 if spo2 is higher than target range

monitor spo2 every 5 minutes

get blood gases if oxygen therapy is increased
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In a patient with targets 88-92%, how do you titrate oxygen?
increase 02 if spo2 is lower than range
decrease 02 if spo2 is higher than target range

monitor spo2 every 5 minutes

take blood gases after 30-60 minutes if increase oxygen is required - show dr results
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How do you stop oxygen therapy for stable patients?
Stop oxygen and monitor spo2 for 5 minutes

if stable, keep oxygen stopped for 1 hour and monitor spo2

if stable after 1 hour, wean off oxygen
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Describe the high-concentration reservoir mask
also known as, non re-breathing reservoir mask

used for critically ill patients or post arrest

delivers oxygen between 60 - 80% +

short-term
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Describe nasal cannulas
recommended for most patients

delivers oxygen at 1-6L/min
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Describe Venturi or fixed performance masks
aims to deliver constant oxygen

minimum oxygen flow is displayed

increasing flow does NOT increase oxygen - it is a FIXED device
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Describe the simple face mask
used for patients with type 1 respiratory failure

delivers oxygen between 35-60% and flow 5-10L/min

flow must be at least 5L/min
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Describe humidified oxygen
typically used in tracheostomy patients

humidification can be delivered via warm or cold humidifiers
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Describe tracheostomy mask
for 'neck-breathing patients'

prolonged use requires humidification
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Describe high-flow nasal oxygen
uses specialised equipment for patients with acute respiratory failure without hypercapnia
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What does hypercapnia mean?
Too much carbon dioxide in blood
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If a patient is in cardiac arrest, what mask and flow do you give?
Bag-valve-mask at 15L/min
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If a patient is seriously unwell, but not critically, what mask and flow do you give?
Nasal specs 2-6L/min
OR
face mask 5-10L/min

(unless spo2 drops below 85%)
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If a patient with COPD requires low-dose oxygen therapy, what mask and flow do you give?
24% or 28% Venturi mask 2-4L/min
OR
nasal cannula 2L/min when stable
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Other cards in this set

Card 2

Front

If you give too much oxygen to a COPD patient, what can happen?

Back

increased carbon dioxide (CO2) levels

Card 3

Front

What is normal Spo2 for adult patients?

Back

Preview of the front of card 3

Card 4

Front

What is normal Spo2 for COPD patients?

Back

Preview of the front of card 4

Card 5

Front

Name 5 conditions that require high-flow oxygen

Back

Preview of the front of card 5
View more cards

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