Asthma Flashcards by Robert Castiglia | Brainscape

Q

Severe asthma PEF?

A

<33%

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Q

severe asthma signs?

A

silent chest, normal PCO2

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Q

2 types of asthma?

A

slow onset and quick onset

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Q

slow onset mediation, sx, tx?

A

mucus, eosinophil, less responsive to dilators

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Q

quick onset mediation, sx, tx?

A

neutrophil, wheezing, responsive to dilators

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Q

RF for increased mortality in asthma?

A

prior intubation, frequent attack, low socioeconomic status, drug use, comorbidities

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Q

how does hyperinflation worsen dead space?

A

distended alveoli compress capillaries

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Q

how does hyperinflation reduce BP?

A

decreased venosu return

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Q

albuterol dosing for severe exacerbation?

A

2.5-5mg q20 min x 3 doses

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Q

lacatte production from albuterol?

A

increased glycosis with inc FFA and pyruvate

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Q

steroids MOA in asthma?

A

NF Kappa beta transcription system

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Q

magensium MOA in asthma?

A

decreases calcium influx into smooth muscle

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