Correlation between EEG and heart rate variation in deep enflurane anaesthesia.
case_control · Level III
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Abstract
Variations in heart rate during deep enflurane anaesthesia were studied in 11 women admitted for elective surgery. Correlation was found between heart rate variations and bursts and suppressions in the EEG patterns. The onset of bursts coincided with accelerating heart rate, and the onset of suppressions was combined with a fall in heart rate in all patients. The correlation is not explained by ventilation arrhythmia. Both the cortical electrical activity and heart rate fluctuation are probably controlled by the same subcortical factor.
Medical subject headings
- Anesthesia, Inhalation
- Electroencephalography
- Enflurane
- Heart Rate