# P wave

> represents atrial depolarization, which results in atrial contraction

**Wikidata**: [Q4924939](https://www.wikidata.org/wiki/Q4924939)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/P_wave_(electrocardiography))  
**Source**: https://4ort.xyz/entity/p-wave


## References

1. Lying position classification based on ECG waveform and random forest during sleep in healthy people
2. 3D Finite Element Electrical Model of Larval Zebrafish ECG Signals
3. Great Norwegian Encyclopedia
4. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)