There are studied sings of pulmonary oedema (micronodules and pericanalicular cuffi ng, Kerley lines, parahilar opacity, butterfl y wings type and merging nonhomogenous areas of opacity) separaty and combined, determining their own soecifi city. For their relevant imaging latere decubit radiography on the healthy side was used. The micronodules, cuffi ng and butterfl y fi gure have the highest peculiarity.