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6 Cards in this Set
- Front
- Back
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symptoms suggestive of asthma
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• Episodes of breathlessness, chest tightness, wheezing, cough
• Worse at night or early am • Post viral, exercise, allergen exposure • In young post playing/laughing • Improve w/ ICS or bronchodilators • Family hx, signs of atopy |
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Pulmonary function criteria (children > 6yo)
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1. FEV1/FVC <0.8-0.9 + >=12% improvement w/ ventolin
2. PEF >=20% improvement post Ventolin 3. no diurnal variation used |
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Pulmonary function criteria (adult)
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1. FEV1/FVC <0.75-0.8 + >=12% improvement w/ Ventolin (min 200ml)
2. PEF 60L/min (min >=20%) improvement post Ventolin 3. diurnal variation > 8% based on two readings, or >20% on multiple readings |
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Challenge tests (positive results)
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1. methacoline challenge < 4mg/mL is diagnostics 4-16 is borderline, >16 is negative
2. exercise challenge >=10-15% decrease in FEV1 post exercise |
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Measures of Asthma control
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1. Daytime symptoms (N=<4d/wk)
2. nighttime symptoms (N=<1/wk) 3. physical activity 4. exacerbations (mild/infrequent) 5. school/work absences due to asthma (N=0) 6. Use of Ventolin (N= < 4/wk) 7. FEV1 or PEF >=90% of best 8. PEF variation (N =10-15%) 9. sputum eosinophils (N = <2-3%) |
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relievers
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1. SABA (ventolin)
2. budesonide/formeterol (symbicort) if > 12 yo |
