PTF

Question 1

What can PTF be used for? (4)

Answer 1

Diagnosis
Monitoring disease progression
Outcome measure
Assess disability or impairment

Question 2

What 2 lung volumes does PFT measure

Answer 2

Static lung volume

Dynamic lung volume

Question 3

Define static lung volume

Answer 3

The amount of air the lungs can hold

Question 4

Define dynamic lung volume

Answer 4

Measures the flow of air and how quickly it can be moved

Question 5

Contraindications of spirometry (5)

Answer 5

Pneumothorax 
Recent surgery - especially to eyes chest or abdomen 
Recent MI 
Unstable angina 
Recent chest infection - within 2 weeks

Question 6

Spirometry measures FVC and FEV1- describe these terms

Answer 6

FVC- forced viral capacity. The amount of air forced out after maximal inspiration
FEV1- forced expiration volume in 1 second.

Question 7

How much air should be moved out of the lungs in 1 second

Answer 7

75% of FVC

Question 8

How is FEV1 ratio measured

Answer 8

Use charts to measure how good FEV1 ratio is and should be within 80% of expected value based on age, gender etc