# electrocardiography

> method to record the electrical activity of the heart through passive electrodes placed over the skin.

**Wikidata**: [Q79785](https://www.wikidata.org/wiki/Q79785)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Electrocardiography)  
**Source**: https://4ort.xyz/entity/electrocardiography


## References

1. Integrated Authority File
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=13352)
3. Freebase Data Dumps. 2013
4. Nuovo soggettario
5. YSO-Wikidata mapping project
6. National Library of Israel
7. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)