A Step By Step Pneumothorax Volume (PTX) Calculation
Percentage Pneumothorax Size Calculator
This online calculator will calculates the pneumothorax volume percentage.
Step by Step calculation
Formula To Calculate Percentage of Pneumothorax:
PTX, Y = 4.2 + [4.7 x (A+B+C) ] , r = .98, p < .0001.
A is apex to apex lung
B is midpoint upper half
C is midpoint lower half