Podcast
Questions and Answers
In which region of the lungs does the ventilation gradient increase from upper to lower lungs?
In which region of the lungs does the ventilation gradient increase from upper to lower lungs?
What happens to the FRC (Functional Residual Capacity) in side-lying position compared to supine?
What happens to the FRC (Functional Residual Capacity) in side-lying position compared to supine?
Where does optimal ventilation/perfusion (V/Q) matching occur in the lungs?
Where does optimal ventilation/perfusion (V/Q) matching occur in the lungs?
What is the effect on the anteroposterior diameter of the abdomen in side-lying position at rest?
What is the effect on the anteroposterior diameter of the abdomen in side-lying position at rest?
Signup and view all the answers
Why is there increased work of breathing (WOB) in side-lying position compared to upright?
Why is there increased work of breathing (WOB) in side-lying position compared to upright?
Signup and view all the answers
What is the perfusion pattern in the lungs from non-dependent to dependent regions?
What is the perfusion pattern in the lungs from non-dependent to dependent regions?
Signup and view all the answers
What is the effect of side lying position on left ventricular end diastolic pressure?
What is the effect of side lying position on left ventricular end diastolic pressure?
Signup and view all the answers
Which position is most commonly used for unilateral lung pathologies?
Which position is most commonly used for unilateral lung pathologies?
Signup and view all the answers
How does ventilation distribution change in prone abdomen free position compared to the typical prone position?
How does ventilation distribution change in prone abdomen free position compared to the typical prone position?
Signup and view all the answers
In side lying position, how should pillows be placed to prevent pressure ulcers?
In side lying position, how should pillows be placed to prevent pressure ulcers?
Signup and view all the answers
What beneficial effect does side lying position have on oxygenation?
What beneficial effect does side lying position have on oxygenation?
Signup and view all the answers
How does the fluid shift from limbs to thorax change when a patient is in the side lying position?
How does the fluid shift from limbs to thorax change when a patient is in the side lying position?
Signup and view all the answers
What is the typical V/Q ratio in zone II of the lungs in the supine position?
What is the typical V/Q ratio in zone II of the lungs in the supine position?
Signup and view all the answers
What is the effect of supine positioning on the V/Q ratio in the lungs?
What is the effect of supine positioning on the V/Q ratio in the lungs?
Signup and view all the answers
What is the effect of supine positioning on lung compliance?
What is the effect of supine positioning on lung compliance?
Signup and view all the answers
What is the effect of supine positioning on the diaphragm?
What is the effect of supine positioning on the diaphragm?
Signup and view all the answers
What is the effect of supine positioning on airway resistance?
What is the effect of supine positioning on airway resistance?
Signup and view all the answers
What is the primary mechanism for generating tidal volume in the supine position?
What is the primary mechanism for generating tidal volume in the supine position?
Signup and view all the answers