Acute Respiratory Failure
Conditions
Brief summary
This crossover investigation enrolls healthy volunteers and compares the exhaled oxygen content (FeO2) between the non-rebreather mask at the flush rate and a bag-valve-mask device at the flush rate, used with active positive pressure assistance.
Interventions
Using a standard flowmeter (Precision Medical, 8MFA), the flow of oxygen will be fully opened and oxygen will be administered for three minutes.
Using a standard flowmeter (Precision Medical, 8MFA), the flow of oxygen will be fully opened and oxygen will be administered for three minutes. Positive pressure breaths to match the subject's inspiration will be provided during the three minute period.
Sponsors
Study design
Eligibility
Inclusion criteria
* Age \>17
Exclusion criteria
* Pregnant * Any facial hair more than stubble that might impede a mask seal
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Fraction of expired oxygen | 3 minutes | The fraction of expired oxygen will be measured after three minutes of preoxygenation |
Countries
United States