pericardiocentesis
/pɛrɪˌkɑːdɪəʊsɛnˈtiːsɪs/(also pericardicentesis) Surgery
noun
Surgical puncturing of the pericardium; an instance of this.
Origin
Early 20th century; earliest use found in William Dorland (1864–1956), obstetrician. From pericardium + -o- + ancient Greek κέντησις pricking.