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How Coronavirus Kills: Acute Respiratory Distress Syndrome (ARDS) & COVID 19 Treatment

MedCram - Medical Lectures Explained CLEARLY · 4.7M views · 2020-01-29 · 11:05

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Overview

A pulmonologist and critical care physician explains how COVID-19 can lead to pneumonia and acute respiratory distress syndrome. He covers evidence-based ARDS treatments such as low tidal volume ventilation.

On Hacker News

In early 2020 HN commenters linked it as a clear explanation of how the virus kills through lung failure and why ventilator choices matter, notably in ventilator design threads.

Recommended by 3 HN people across 2 months · HN mentions 2020–2020

Topics

Medicine & infectious disease
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ardscovid-19ventilatorscritical carepneumonia

What people said

taf2 · 2020-03 · Recommendation

I really like this as DIY - I also found this video [VIDEO] - explaining how the virus eventually kills by causing failure of the lungs. After explaining the functional parts he goes on to explain what seem like some interesting things to consider when designing a ventilator with respect to how they were used during the SARS outbreak. e.g. tidal forces causing iteration and more inflammation, which then cuts off more air flow. So thinking about how you maintain a constant air pressure instead of more pushing force... at least the explanation made sense intuitively but I'm not a doctor and don't know if this video or your Ventilator are safe - but I do like the DIY aspect of it and figure thinking about or sharing ideas can't be bad...

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brigandish · 2020-03 · Recommendation

Thanks. I'm not a doctor so I could be wrong (and happy to be corrected) but from my understanding the problem with those techniques in this situation is that they are for clearing mucus from the lungs (in the bronchi and broncioles) not from alveoli, because mucus isn't the type of fluid in the alveoli. Hence, they'd have little effect. This video[1] goes into what happens when you have ARDS caused COVID and how it will be treated. It shows why machines like CPAP aren't appropriate too. [1] [VIDEO] How Coronavirus Kills: Acute Respiratory Distress Syndrome (ARDS) & COVID-19 Treatment

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hybrid_cluster · 2020-01 · Recommendation

One of the main causes of death of the new coronavirus seems to be Acute Respiratory Distress Syndrome (ARDS). This can be treated fairly effectively with ventilation, but such treatment would obviously require a bed, ventilation system, and attentive nurses, at the very least. It's easy to imagine how these requirements may currently not be met for all patients with ARDS symptoms in Wuhan. For more info on ARDS and treatment in the context of the current pandemic, see this informative explanation: [VIDEO]

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Sources

Video by MedCram - Medical Lectures Explained CLEARLY, played through YouTube.

Data and selection notes

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HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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