pericardiocentesis
noun
peri·car·dio·cen·te·sis
| \ ˌper-ə-ˌkärd-ē-ō-(ˌ)sen-ˈtē-səs
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plural pericardiocenteses\ -ˌsēz
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Medical Definition of pericardiocentesis
: surgical puncture of the pericardium especially to aspirate pericardial fluid