# cardiac cycle

> performance of the heart from the end of one heartbeat to the beginning of the next

**Wikidata**: [Q257319](https://www.wikidata.org/wiki/Q257319)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Cardiac_cycle)  
**Source**: https://4ort.xyz/entity/cardiac-cycle


## References

1. Freebase Data Dumps. 2013
2. BBC Things
3. Quora
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)