A Step By Step Pneumothorax Volume (PTX) Calculation

 Percentage Pneumothorax Size Calculator

This online calculator will calculates the pneumothorax volume percentage.

cm
cm
cm
Step by Step calculation
  

Formula To Calculate Percentage of Pneumothorax:

PTX, Y = 4.2 + [4.7 x (A+B+C) ] , r = .98, p < .0001.

where,

A is apex to apex lung

B is midpoint upper half

C is midpoint lower half

Posteroanterior View: