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CC Nurse | Respiratory Assessment
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STAT Stitch Deep Dive Podcast Beyond The Bedside di Regular Guy
Note sull'episodio
- Gas Exchange: Primary goal: O2/CO2 exchange across alveolar-capillary membrane12.
- Anatomy: Upper tract warms/humidifies/filters air; epiglottis covers larynx to prevent aspiration3. Carina is highly sensitive, triggering vigorous cough on stimulation3.
- Aspiration: Right mainstem bronchus is shorter, wider, straighter than left; aspiration is far more common in right lung4.
- Dead Space: Normal tidal volume ($V_T$) is ~500 mL (~150 mL is anatomical dead space [$V_D$] without gas exchange)2.
- Alveoli & Surfactant: 300M+ alveoli connect via pores of Kohn2. Surfactant lowers surface tension, preventing collapse (atelectasis)2.
- Pleural Biology: Visceral pleura lacks pain fibers5; parietal pleura has pain f ...
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