3 votes

Inspiratory and Expiratory Muscle Training

The Powerbreathe is an inspiratory muscle trainer promoted as improving inspiratory muscle strength (and consequently exercise performance) in athletes and patients with respiratory disease. No ...
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3 votes

Bike pump as a ventilator?

Even a cursory reading of the spec indicates that this will not work. Specification Must: Defines the minimum viable product clinically acceptable by clinicians [...] RMCPAP must ...
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2 votes

Does oxygen supplementation in case of pneumonia cause effects other than possibly preventing hypoxemia?

Hyperoxygenation causes vasoconstriction and increased systemic vascular resistance. This can be good in some circumstances and bad in others. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3672526/ ...
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2 votes

Does COVID 19 hospitalization really helps? or not at all?

There are many diseases that can't be cured, but can be kept from being lethal by supportive interventions. At its most basic level this may simply be providing a patient with shelter, food, and water ...
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2 votes

Are (transparent) face shields without masks/respirators reasonably effective at preventing respiratory illness transmission?

To partly answer my own question, after trying quite a few different potential keywords for these shields, I did find one 2014 paper Efficacy of face shields against cough aerosol droplets from a ...
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  • 5,773
2 votes

Why is the immune response to RSV so short lived (and what else makes a vaccine for RSV difficult)?

The RSV has evolved to impair the host immune response so that it can re-infect hosts ensuring its own survival. We have seen this in the wild already with the myxoma virus mutating to suppress host ...
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  • 13.2k
2 votes
Accepted

What are clinically advised methods to improve nocturnal respiration other than CPAP?

Breathing difficulties during sleep determined to be caused by the narrowing or closing of their airway Breathing difficulties during sleep indicates suffering of Obstructive Sleep Apnoea (OSA). ...
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  • 5,852
1 vote

Do oxygen and carbon dioxide move with Brownian motion? And, if so, do they get trapped by N95 masks?

From what I can tell, yes, both oxygen and carbon dioxide gas particles will follow brownian dynamics as they move through the air on both sides of an N95 mask. And, yes, studies (on people wearing ...
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1 vote
Accepted

Is there a term for this CPR technique that avoids direct respiration?

You may be describing the Silverster method and perhaps of use when there's a concern about Covid-19 In the 19th century, Doctor H. R. Silvester described a method (The Silvester Method) of ...
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  • 13.2k
1 vote
Accepted

How is nitrogen not exchanged in respiration?

There is no specific mechanism to carry nitrogen in blood, it is carried in a dissolved form unlike oxygen which uses the protein haemoglobin which is contained in red cells. Animals can not utilize ...
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1 vote

Bike pump as a ventilator?

Airway pressure is a lot less than what a bike pump produces during a single pump action (in the usual setting of how its used). Even though ventilators work in a similar way (cf. https://i.stack....
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  • 1,157
1 vote

Is open air spraying of disinfectant irritating the respiratory system and therefore increasing risk of infection such as COVID-19?

The risk of infection is from inhalation of viral particles, or, from those particles landing on mucosal surfaces including the eyes, or being transferred there by ones hands. I am not aware of any ...
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  • 13.2k
1 vote

What's the evidence for "flattening the curve" by social distancing measures in the context of contagious respiratory diseases?

There actually numerous documents discussing the matter but one moderately cited paper (~300 citations) Hatchett et al. (2007) compared the responses on US cities during the 1918 influenza: ...
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  • 5,773
1 vote

Would "working out" with a respiratory muscle training device improve survivability of ARDS in patients without access to a ventilator?

You're asking for the result of a trial which hasn't been conducted yet. I suspect it's not possible to delay permanently intubation just by inspiratory muscle training given that in Italy patients ...
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  • 13.2k
1 vote

What is the difference between Rhinitis, nasal congestion and runny nose?

This answer is about medical terminology as widely agreed and commonly used by medical professionals. Rhinitis is a broad name of a disease or condition with inflammation of the mucosal lining in ...
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  • 15.6k
1 vote

Obstructive sleep apnea (OSA) - what level of respiratory dysregulation is involved and are respiratory stimulants relevant?

Although not a "respiratory stimulant" in the sense of stimulating muscles of respiratory, hypoglossal nerve stimulation devices, such as INSPIRE, can stimulate your tongue to move forward ...
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  • 1,054

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