Unilateral pulmonary edema

Unilateral pulmonary edema represents only 2% of cardiogenic pulmonary edema with predilection for the right upper lobe and is strongly associated with severe mitral regurgitation . It is hypothesized that the regurgitation jet is directed towards the right superior pulmonary vein thus preferentially increasing the hydrostatic pressure in the right upper lobe .

Pathology

Etiology

Unilateral edema with ipsilateral pathology :

Unilateral edema with perfusion abnormality in the contralateral lung :

See also