Adult Oxygenation Flashcards
What is ventilation?
Process of moving gases in and out of the lungs
What requires the muscular and elastic properties and thorax to be coordinated?
Ventilation
Pumping oxygenated blood to the tissues and back to the lungs is known as ______?
Perfusion
What is diffusion?
Movement of respiratory gases from one area to another by concentration gradients
What happens when the normal gas exchange is altered by a collapse in the alveoli?
Atelectasis
What can cause atelectasis?
Infection blockage of airways, compression, scarring from radiation, pneumothorax, or immature lungs
What can be used to prevent atelectasis?
An incentive spirometer
How often should an incentive spirometer be used?
10 times an hour
What causes pneumonia?
Inflammation of the lung parenchyma (alvelor spaces), which creates a build up of fluid and excrement in the alveoli, which decreases gas exchange
What can cause pneumonia?
Bacteria, virus, fungus, gastric contents, chemicals
How can pneumonia be prevented?
Hand hygiene, vaccination, avoiding exposure and taking aspiration precautions
Who can get a pneumonia vaccine?
Must be > 62 years old or are at high risk
When do the majority of fatalities occur when a pulmonary embolism ocuurs?
1-2 hours after onset
What triggers a thrombosis?
Virchow’striad: venostasis, hypercoagulability, and vessel wall inflammation
How is a pulmonary embolism diagnosed?
CT scan