Miller R L, Das S, Anandarangam T, Leibowitz D W, Alderson P O, Thomashow B, Homma S
Department of Medicine, Columbia University, New York, New York 10032, USA.
Am J Cardiol. 1997 Aug 1;80(3):377-8. doi: 10.1016/s0002-9149(97)00372-x.
The frequency of right-to-left shunt through a patent foramen ovale is increased in hemodynamically stable patients without preexisting cardiopulmonary disease with acute pulmonary embolism. This is associated with a greater degree of perfusion abnormalities as quantified by perfusion scan and the presence of tricuspid regurgitation.