heart disorder heart aneurysm https://www.malacards.org/card/heart_aneurysm icd11.foundation:1571863865 cardiac aneurysm MESH:D006322 ICD9:414.19 ICD9:414.10 MONDO:0006779 MEDGEN:42360 ICD10CM:I25.3 EFO:1000959 NANDO:2200234 MedDRA:10002350 DOID:9768 UMLS:C0018789 SCTID:65340007 A localized bulging or dilatation in the muscle wall of a heart (myocardium), usually in the left ventricle. Blood-filled aneurysms are dangerous because they may burst. Fibrous aneurysms interfere with the heart function through the loss of contractility. True aneurysm is bound by the vessel wall or cardiac wall. False aneurysms are hematoma caused by myocardial rupture.