Heliox Basics
This gas mixture is made of helium and oxygen.
What is Heliox?
Heliox is commonly used during this respiratory emergency.
What is severe asthma?
This cylinder contains the premixed helium-oxygen gas.
What is a Heliox cylinder?
This oxygen measurement should remain within the desired range.
What is SpO₂?
Heliox reduces this in the airways.
What is airway resistance?
Helium is less ______ than nitrogen and air.
What is dense?
Heliox may improve airflow during this chronic lung disease exacerbation.
What is COPD exacerbation?
This controls pressure and flow.
What are the regulator and flowmeter?
These blood tests evaluate oxygenation and ventilation.
What are ABGs?
One major limitation is that Heliox provides only this kind of support.
What is temporary support?
Name one common Heliox mixture.
What is 80/20 or 70/30?
Swelling after extubation causing noisy breathing is called this.
What is post-extubation stridor?
Name one delivery device for Heliox.
What is a non-rebreather mask, high-flow device, or ET tube?
Listening for reduced wheezing or stridor assesses these.
What are breath sounds?
Heliox should not be used when patients require this.
What is high FiO₂/high oxygen requirements?
This type of airflow allows gas to move more smoothly through narrowed airways.
What is laminar flow?
Heliox can be used with these patients if airway resistance is very high.
Who are mechanically ventilated patients?
This special ventilator setting compensates for helium's low density.
What is Heliox mode (or compensation mode)?
Monitoring this helps determine if work of breathing is improving.
What is respiratory rate and effort?
Name one possible complication of Heliox therapy.
What is airway dryness, patient discomfort, equipment malfunction, or progression of disease?
True or False: Heliox treats the underlying disease.
What is False?
Heliox is indicated for patients with this airway problem.
What is severe airway obstruction?
These measurements must be monitored because helium affects ventilator readings.
What are tidal volume and airway pressures?
Besides SpO₂, this ventilator parameter ensures correct delivery.
What are tidal volume and airway pressures?
Name one reason Heliox therapy should be discontinued.
What is improved breathing, higher oxygen requirements, or no clinical improvement?