<procedure> Establishment of an opening into the pericardium. ... Origin: pericardium + G. Stoma, mouth ... (05 Mar 2000) ... 
(per″e-kahr″de-os´tә-me) creation of an opening into the pericardium, usually for drainage of effusions.
Type: Term Pronunciation: per′i-kar′dē-os′tŏ-mē Definitions: 1. Establishment of an opening into the pericardium.
pericardiostomy, pericardiotomy A surgical incision of the pericardium.