polygraphy
- noun
- /ˈpɒlɪˌɡræfi/
- Specialized
- Modern sleep clinics often use polygraphy to monitor several body functions at once.
Examples
-
During the test, polygraphy recorded changes in heart rate and oxygen saturation.
-
The doctor used a polygraphy machine to monitor the patient's vital signs.
-
The doctor recommended polygraphy to assess the patient's breathing patterns overnight.
-
Can you explain what polygraphy involves?
-
In the sleep study, the technician utilized polygraphy to simultaneously track the patient's heart rate and breathing patterns.
-
The hospital implemented polygraphy to closely monitor the physiological signals of patients during their recovery.
-
With polygraphy, doctors can observe multiple vital signs in real time to assess a patient's health more effectively.
How Many Signals
Surface Forms
Morphology
polygraphy = poly + graph + y
The meaning is partly compositional from poly- 'many' and graph-related 'recording', but the technical medical sense of simultaneous signal recording is specialized.
Etymology
Polygraphy combines poly- 'many' and -graphy 'writing' or 'recording', just like in photography. So in medicine polygraphy means 'recording many signals' at the same time, for example breathing, heart rate and oxygen levels.