pneumohydropericardium

hy·dro·pneu·mo·per·i·car·di·um

(hī'drō-nū'mō-per'i-kar'dē-ŭm),
The presence of a serous effusion and of gas in the pericardial sac.
[hydro- + G. pneuma, air, + pericardium]

hy·dro·pneu·mo·per·i·car·di·um

(hī'drō-nū'mō-per'i-kahr'dē-ŭm)
The presence of a serous effusion and of gas in the pericardial sac.
Synonym(s): pneumohydropericardium.
[hydro- + G. pneuma, air, + pericardium]