Weissmann H S, Steingart R M, Kiely T M, Sugarman L A, Freeman L M
J Nucl Med. 1980 Aug;21(8):745-6.
Myocardial activity was noted on a lung scan performed following the i.v. administration of Tc-99m macroaggregated albumin. The patient had primary pulmonary hypertension with a right-to-left shunt through a functionally patent foramen ovale.