PFT

Question 1

Anthrops for less than 2 yo

Answer 1

Recumbent length OR
standing ht PLUS 0.7 in meter

weight

Question 2

Hold Salbutamol or ipratropium bromide

Answer 2

within 4 hours

Question 3

hold LaBA and oral aminophylline
(salmeterol, formoterol)

Answer 3

within 12 hours

Question 4

pause in spirometry

Answer 4

less than 1 second at TLC

Question 5

acceptability criteria in spirometry

Answer 5

Question 6

extrapolated volume is. how many % of FVC or

Answer 6

less than 5% of FVC or 0.15 L
whichever is greater

Question 7

maximum of how many tests in spirometry

Answer 7

8 tests

Question 8

Bronchodilator challenge tests meds and dose

Answer 8

salbutamol 100 mcg - 2 puffs with 30 seconds interval or

salbutamol 2.5 mg as single dose

Question 9

what to avoid prior ECT

Answer 9

Question 10

in ECT, room should have ambient temp

Answer 10

20-25 degree celsius

<50% humidity

Question 11

Target parameter in ECT

Answer 11

80-90% of predicted max HR
(200 - age in years)

or

40% to 60% of predicted maximum VOLUNTARY VENT
(FEV1 x 35)

Question 12

duration of test in ECt

Answer 12

6-8 minutes

Question 13

fev1 in ect should be assessed when

Answer 13

before exercise (5 mins before)
1,3,5,10,15,20,30 mins after

Question 14

in ect, recommended speed of treadmill is

Answer 14

more than 4.5km/h
gradient 15%

progressively advance during 2-3 minutes

Question 15

cycle ergometer

Answer 15

Question 16

Target heart rate or ventilation in ect if maintained atleast

Answer 16

4 minutes

Question 17

Largest 2 of 3 acceptabl blows in PEF within ______

Answer 17

0.67 L/S-1

40 L/min-1

Question 18

PEF up to

Answer 18

5 attempts

Question 19

in PEF significant response to bronchodilator should be

Answer 19

20%

Question 20

if below 8 yrs old, duration of spirometry

Answer 20

3 seconds

Question 21

in less than 8 yo, acceptability

Answer 21

Question 22

in less than 8 yo, max of how many attempts

Answer 22

10