Medical Dictionary
hydropericardium
noun hy·dro·peri·car·di·um \ˌhī-drō-ˌper-ə-ˈkär-dē-əm\
plural hy·dro·peri·car·dia \-dē-ə\
Medical Definition of HYDROPERICARDIUM
: an excess of watery fluid in the pericardial cavity
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