As nouns the difference between pericardium and hydropericardium
is that pericardium is (anatomy|cardiology) a serous membrane that surrounds the heart allowing it to contract while hydropericardium is (medicine) the accumulation of serous fluid in the pericardium.
pericardium
Noun
(pericardia)
(anatomy, cardiology) A serous membrane that surrounds the heart allowing it to contract.
Synonyms
* heart sac
* theca cordis
Derived terms
* pericardiac
* pericardial
* pericarditis
See also
* endocardium
* myocardium
hydropericardium
English
Noun
(-)
(medicine) The accumulation of serous fluid in the pericardium