atrioseptostomy

atrial septostomy

establishment of a communication between the two atria of the heart. Synonym(s): atrioseptostomy

atrioseptostomy

(ā′trē-ō-sĕp-tŏs′tə-mē)n. The surgical establishment of a communication between the atria of the heart.

a·tri·o·sep·tos·to·my

(ā'trē-ō-sep-tos'tŏ-mē) Establishment of a communication between the two atria of the heart. [atrio- + L. septum, partition, + G. stoma, mouth]