pericardial effusion hemopericardium https://www.malacards.org/card/hemopericardium HP:0011851 EFO:0007298 haemopericardium MONDO:0005783 An accumulation of blood within the pericardial sac. hemopericardium (disease) icd11.foundation:304055010 hemopericardium SCTID:23412002 UMLS:C0019064 MEDGEN:6795 ICD9:423.0 hemopericardium (disease) DOID:11482