[ hī′drō-nōō′mō-pĕr′ĭ-kär′dē-əm ]
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The accumulation of serous fluid and gas in the pericardial sac.pneumohydropericardium
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Words nearby hydropneumopericardium
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.