A Step By Step Pneumothorax Volume (PTX) Calculation

Percentage Pneumothorax Size Calculator
This online calculator will calculates the pneumothorax volume percentage.
cm
cm
cm

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:

