re: Asking for prayers for my dad **UPDATE, want to thank TD nation**

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Not only do they need supplemental O2 but they need positive end airway pressure to help keep the alveoli from collapsing.

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Every patient gets PEEP because most intubated patients are given drugs that paralyze to aid intubation. Its extremely difficult to intubate a patient with a gag reflex. This likewise paralyzes the respiratory drive.

Also, most patients are given meds to sedate post intubation. So, it isn't just covid patients getting PEEP.

I'm not a respiratory therapist, so as far as V/Q mismatch is concerned, I would say it could definitely be a concern in patients with obstructed airway. I haven't experienced this though. That being said, I've had people with saddle pe not have V/Q mismatch.

Full disclosure: I haven't experienced the Covid nightmare some clinicians claim to experience.