Respiratory assessment Flashcards
1
Q
Describe blood supply to the lungs
A
Blood enters via
- Pulmonary artery
- Bronchial arteries
2
Q
What is ventilation
A
The amount of air travelling to the alveoli for gas exchange
3
Q
What is perfusion
A
The amount of blood flow to the alveoli for gas exchange
4
Q
What is V/Q
A
The relationship between ventilation and perfusion in the lungs
The overall ratio is 0.8
5
Q
What are the surface markings of the lungs
A
Oblique fissure separates the upper lobe and the lower lobe.
Begins at T2, travels to 4th intercostal space and then to the 6th costal cartilage.
The right side also has a middle lobe where the horizontal fissure sits between the upper and middle lobe, across the 4th costal cartilage.
