Pulse oximetry is a noninvasive and painless test that measures your oxygen saturation level, or the oxygen levels in your blood. It can rapidly detect even small changes in how efficiently oxygen is being carried to the extremities furthest from the heart, including the legs and the arms.
This Short test of 10 questions will be similar to the questions See morethat will appear in your exams.
100% administered oxygen via non-rebreather
Treat with the lowest concentration of oxygen required to maintain target saturation
Immediately begin non-invasive ventilation
Use no oxygen at all
Wait for a senior colleague before proceeding
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None
15L/min non-rebreather
Venturi with 60% filter
4L/min nasal cannulae
Monitor her oxygen saturation with oximetry and titrate if required
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24% venturi
28% venturi
40% venturi
Nasal Cannulae 4L/min
Non-rebreather 15L/min
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Cyanide poisoning
Poor peripheral circulation
Carbon monoxide poisoning
Emergency situations
Patients with carbon dioxide retention
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Cardiac arrest
Facial trauma
COPD patients
Oxygen toxicity
Acute respiratory episode
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Non-rebreather mask 15L/min
Lowest concentration of inspired oxygen to maintain O2 sats with non-invasive ventilation
Lowest concentration of inspired oxygen to maintain O2 sats
Venturi mask with 24% filter
No oxygen administered
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Mucosal Dermatitis
Ear pressure sores
Carbon Dioxide re-breathing
Non-adherence
Oxygen toxicity
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Venturi masks can be used in non-COPD patients to titrate a correct dose
Nasal cannulae are used at flow rates of up to 6L/min
Humidifiers reduce the risk of nasal infection
Pure water should not be used in a humidifier
If a patient is carrying their own oxygen mask the mask should be used
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Non-rebreather prevents rebreathing using a one way valve
Nasal cannulae prongs curve upwards to the roof of the nasopharynx to slow oxygen before it reaches the trachea and thus prevent mucosal drying
Pure water in a humidifier can precipitate bronchoconstriction
Oxygen should be prescribed in an emergency
Some normal, healthy elderly individuals can have arterial oxygen saturation values of
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