Solutions Medical instrument used for recording heartbeats has 4 entries with similar clues
- 9-letter words
- polygraphMedical instrument used for recording changes in heartbeat, breathing rate, and blood pressure
- kymographMedical instrument used for recording variation in blood pressure
- 15-letter words
- electromyographMedical instrument used for recording muscle activity
- 21-letter words
- electroencephalographMedical instrument used for recording the brain activity