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Top 100 drugs > SOB > Flashcards

SOB Flashcards

1
Q

oxygen indications

A
  • acute hypoxaemia
  • resorb pleural gas in pneumothorax
  • CO poisoning
  • LTOT
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2
Q

how does oxygen help in pneumothorax

A
  • reducing fraction of nitrogen in alveolar gas - accelerates diffusion of nitrogen out of th ebody. pleural air is mostly nitrogen - increases rate of resorption.
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3
Q

how does oxygen help in CO poisoning

A
  • competes with CO to bing with Hb and so shrotens half life of carboxyhb, returning it to a form that can transport o2
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4
Q

SE oxygen

A
  • due to delviery device e.g. discomfort of face masks
  • lack of water vapour = dry throat
  • can be harmful if given unnecesarily
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Top 100 drugs (65 decks)

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