Morbus cordis

Means no more than heart disease. Probably used by doctors when they did not know the exact cause of death but were sure it was natural causes. May sometimes mean heart failure

Morbus Cordis

Means no more than heart disease. Probably used by doctors when they didn't know the exact cause of death but were sure it was natural causes.
Found on http://mckechnies.net/family/_references/medical.htm

morbus cordis

morbus cordis Heart disease.
Found on http://www.wordinfo.info/words/index/info/view_unit/1334/
No exact match found