LEC 16: Pulmonary Disease Overview

What is the cardiovascular system?

Heart, blood, and blood vessels that pumps and transports essential oxygen, nutrients, hormones, and waste products throughout the body

What is the respiratory system?

Lungs, airways, and diaphragm that allows the body to breathe by inhaling oxygen and exhaling carbon dioxide

What happens when something goes wrong with the cardiorespiratory system?

Wont get enough oxygen in the blood Heart can be a limiting factor

What is the oxyhemoglobin dissociation curve?

Amount of blood dissolved in the plasma What PaO2 will O2 leave

What are pulmonary diseases?

Significant cause of morbidity & mortality > 500 million people globally have chronic pulmonary disease Symptoms of dyspnea & fatigue Results in: Exertional intolerance Reduced QoL Increased risk of hospitalization & mortality Pulmonary Rehabilitation: Improves exercise tolerance Reduces symptoms Improves QoL

What is an obstructive pulmonary disease?

Can’t get air out of the lungs Reduction in airflow

What is a restrictive pulmonary disease?

Can’t get enough air into the lungs Reductive in lung volume

What are lung function tests?

FEV1/FVC → total amount of air breathed out 80%

How does an obstructive disease affect FEV1/FVC?

Takes longer, lower FEV, FVC same

How does a restrictive disease affect FEV1/FVC?

FVC lower, FEV1 same

What is pulmonary rehabilitation?

PR is recommended for: COPD Cystic fibrosis Pulmonary hypertension Pulmonary fibrosis Adjuncts may be needed: Supplemental oxygen Bronchodilators Breathing techniques PLB IM