| Nominative | kardiocentrum |
| Genitive | kardiocentra |
| Dative | kardiocentru |
| Accusative | kardiocentrum |
| Locative | kardiocentru; kardiocentre |
| Instrumental | kardiocentrom |
| Nominative | kardiocentrá |
| Genitive | kardiocentier |
| Dative | kardiocentrám |
| Accusative | kardiocentrá |
| Locative | kardiocentrách |
| Instrumental | kardiocentrami |