Pneumothorax size Estimate
A formula to estimate the size (%) of a pneumothorax on a chest CXR
10
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Anas F. Hamam, M.D.
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Daniel Goldbach commented
Plug in three measurements (apex to apex, midaxillary to upper 1/2, and midpoint to lower half) and it calculates % pneumothorax as well as days to resorption without treatment