Spirometry

Question 1

What is Fev1

Answer 1

Amount expired in 1 second when forced

Forced Expiratory volune

Question 2

What is FVC?

Answer 2

Forced vital capacity

Amount that can be exhaled after one inspiration

Question 3

What is PEFR?

Answer 3

Peak expiratory flow rate

Question 4

What are three things that affect PEFR?

Answer 4

Age (invalid below 5)

Sex

Height

Question 5

When would you do a PEFR?

Answer 5

?Asthma

IS Asthma treatment working

Question 6

What are some PEFR limitations?

Answer 6

Poor technique

Only looks at one thing

Question 7

Below what age doesnt PEFR work?

Answer 7

5

Question 8

What are the catagories of severity?

Answer 8

51-75 Moderate

33-50 Severe

<33 life threatening

Question 9

Name two obstructive conditions

Answer 9

COPD

Asthma

Question 10

What is the difference between obstructive and restrictive?

Answer 10

Restrictive limits how much you can get in (tumour, phrenic nerve palsy, effusion), obstructive how quickly you can get it in

Question 11

What is a normal FEV1:FVC

Answer 11

0.8

Question 12

What is the FEV1, FVC and the ratio for obstructive and restricted?

Answer 12

FEv1

Obstructed = Low

Restricted - Normal or low

FVC

Obstructed - Normal or low

Restricted - Low

Ratio

Obstructed - Low

Restricted - High or normal

Question 13

When is a PEFR result significant?

Answer 13

NEED 20% VARIATION BETWEEN MORNING AND NIGHT