# Hamman's sign

> crunching, rasping sound, synchronous with the heartbeat

**Wikidata**: [Q573000](https://www.wikidata.org/wiki/Q573000)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Hamman's_sign)  
**Source**: https://4ort.xyz/entity/hamman-s-sign


## References

1. Freebase Data Dumps. 2013