obstructive lung disease

Question 1

what is the 3 point criteria for diagnosis of asthma?

Answer 1

> 20% diurnal variation in PEFR
3/7
2/52

Question 2

what is the numerical criteria for diagnosis of asthma?

Answer 2

> 15% FEV1 increase following B2 agonist

> 15% FEV1 increase following 14days of 30mg Prednisolone

FeV1 decreases by >15% following 6mins of exercise

Question 3

what is the criteria for life threatening asthma?

Answer 3

PEFR <30%
resp effort low / exhausted
bradycardic
hyppotensive
po2 <8Kpa
sats <92%
* normal PaCO2

Question 4

what type of lung disease if CF?

Answer 4

obstructive

Question 5

name 4 other causes of obstructive lung disease

Answer 5

CF
bronchioloitis
bronchiectasis
ABPA

Question 6

what is the stepwise treatment of asthma?

(LiS SiS PO)

Answer 6

SABA
inh. steroid
LABA
inh. steroid (at higher dose)
PO steroid

Question 7

when is LTOT offered to patents?

Answer 7

when PaO2 <7.3

• measured on two occasions,
  3/52 apart

Question 8

COPD spirometry: what is the diagnostic FEV1?
FEV1 / FVC ratio?

Answer 8

FEV1 <80%

FEV1 / FVC <0.7

Question 9

COPD classification is base don FEV1, what is moderate?

Answer 9

30-50 %

Question 10

COPD classification is base don FEV1, what is mild?

Answer 10

50-80%

Question 11

what is the stepwise treatment of COPD?

Answer 11

SABA
SABA + anticholinergic
SABA + anticholinergic + LABA
LABA + steroid 4/52
PO theophyline