Title: The Ball Valve Effect – The One Way Trap
Title: The Ball Valve Effect – The One Way Trap
(Verse 1 – The Mechanism)
This song is about the Ball Valve Effect
A partial airway blockage we must detect
The cause is a one-way gate
Inside the bronchus deciding the fate
On inspiration the airway opens wide
Allowing the air to flow inside
(Chorus – The Air Trapping)
But on expiration the airway gets tight
Trapping volumes of air – all right
Hyperinflation and hyperlucency are the signs
Displacing normal structures aside
(Verse 2 – The Causes and Shift)
It happens with a foreign body or mass
Letting the inspiratory air pass
But blocking the flow on the way out
Creating upstream lucent lung
And if large enough
There may be mediastinal shift
(Outro)
Ball Valve Effect is air trapping
Inspiration enters but exit is blocked
Lucent lung on the imaging is the key
And up to us to ensure no tumor inside
Poem:The One-Way Gate
The breath goes in but cannot leave
A one-way valve the lungs deceive
The airway opens, then snaps shut tight
Trapping the air with all its might
Hyperlucent and swollen in size
A hidden mass in a dark disguise

