Pneumothorax Degree of Collapse

 

Input
 

Lung Diameter		cm ft in micm mm m nm yd
Hemithorax Diameter		cm ft in micm mm m nm yd

 

Result
 

Percent Pneumo		% fraction ratio
Decimal Precision   0 1 2 3

 

 

Notes

• Use average lung and hemithorax diameters in this estimate.

 
Equations used
 

PercentPneumo = 100 * (1 - (LungDiameter3 / HemithoraxDiameter3))

 

 

References

1. Murray JF, Nadel JA. Textbook of Respiratory Medicine. Philadelphia, Saunders May 2000, page 2046. NLMN ID: 100894103