Obstructive vs Restrictive Lung Disease

Question 1

Definition of obstructive lung diseaese

Answer 1

Characterised by airflow obstruction, making it difficult to exhale all the air in the lungs

Question 2

What are some examples of obstructive lung disease?

Answer 2

• COPD
• Asthma
• Bronchiectasis
• Emphysema

Question 3

What is the mechanism of obstructive lung disease?

Answer 3

Airways become narrowed or blocked, hindering airflow during exhalation

Question 4

FEV1/FVC Ratio in obstructive lung disease

Answer 4

Reduced
Ratio is lower than 80% in obstructive lung disease

Question 5

What are some symptoms of obstructive lung disease?

Answer 5

• Difficulty breathing (especially during exhalation)
• Wheezing
• Barrel chest

Question 6

Definition of restrictive lung disease

Answer 6

Characterised by reduced lung volumes, making it difficult to fully expand the lungs during inhalation

Question 7

What are some examples of restrictive lung disease?

Answer 7

• Pulmonary fibrosis
• Interstitial lung disease
• Neuromuscular disorders
• Obesity

Question 8

What is the mechanism of restrictive lung disease?

Answer 8

Lung tissue becomes stiff or scarred, limiting lung expansion and reducing the amount of air the lungs can hold

Question 9

FEV1/FVC Ratio in restrictive lung disease?

Answer 9

Normal or increased
Ratio usually greater than 80%

Question 10

What are some symptoms of restrictive lung disease?

Answer 10

• SOB
• Rapid, shallow breathing pattern