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- Entropy_monitoring abstract "Entropy monitoring is a method of assessing anaesthetic depth. It was commercially developed by Datex-Ohmeda, now part of GE Healthcare.It relies on a method of assessing the degree of irregularity in electroencephalogram (EEG) signals. The founding principle behind this theory is that the irregularity within an EEG signal decreases with increasing brain levels of anaesthetic drugs. If we relate the irregularity to the entropy within the signal, then an entropy scale can be assigned.The signal is captured via a forehead mounted sensor, in a similar way employed by bispectral index (BIS).Entropy monitors produce two numbers (RE - Response Entropy, SE - State Entropy) that are related to frequency bandpass used. Response Entropy incorporates higher frequency components that include that of electromyogram activity. The reason for using higher frequency bandpass in response entropy is to allow faster response from the monitor in relation to clinical state.Published studies show that entropy scores do relate to clinical levels of anaesthetic depth. Most anaesthetic drugs are detectable by entropy monitoring, a notable exception being nitrous oxide, in common with BIS monitoring. Future studies may show reduced levels of intraoperative awareness when using this type of monitoring. Future studies may also look into possibilities of influence on outcome when using depth of anaesthesia monitoring.Other vital signs such as pulse, heart rate, blood pressure, and movement are indirect indicators of consciousness, and when these are combined with expired gas analysis of inhalational anaesthetic agents, an experienced anaesthetist can be confident a patient is unconscious and not aware of their surroundings. However, the direct measurement of brain activity using a basic EEG is purported to measure effects of anaesthetics more comprehensively. This is because as anaesthesia "deepens", there are predictable changes in the EEG including slowing, synchronicity, and burst suppression, that, in the case of BIS or Entropy, are converted to a number roughly correlated to the likelihood of anaesthesia awareness.".
- Entropy_monitoring wikiPageID "3782905".
- Entropy_monitoring wikiPageLength "3362".
- Entropy_monitoring wikiPageOutDegree "25".
- Entropy_monitoring wikiPageRevisionID "623130464".
- Entropy_monitoring wikiPageWikiLink Anaesthesia_awareness.
- Entropy_monitoring wikiPageWikiLink Anaesthetic.
- Entropy_monitoring wikiPageWikiLink Anaesthetic_depth.
- Entropy_monitoring wikiPageWikiLink Anaesthetist.
- Entropy_monitoring wikiPageWikiLink Anesthesia_awareness.
- Entropy_monitoring wikiPageWikiLink Anesthesiologist.
- Entropy_monitoring wikiPageWikiLink Anesthetic.
- Entropy_monitoring wikiPageWikiLink Band-pass_filter.
- Entropy_monitoring wikiPageWikiLink Bandpass.
- Entropy_monitoring wikiPageWikiLink Bispectral_index.
- Entropy_monitoring wikiPageWikiLink Blood_pressure.
- Entropy_monitoring wikiPageWikiLink Burst_suppression.
- Entropy_monitoring wikiPageWikiLink Category:Anesthesia.
- Entropy_monitoring wikiPageWikiLink Category:Anesthetic_equipment.
- Entropy_monitoring wikiPageWikiLink Category:Medical_monitoring.
- Entropy_monitoring wikiPageWikiLink Consciousness.
- Entropy_monitoring wikiPageWikiLink Correlation.
- Entropy_monitoring wikiPageWikiLink Correlation_and_dependence.
- Entropy_monitoring wikiPageWikiLink Electroencephalogram.
- Entropy_monitoring wikiPageWikiLink Electroencephalograph.
- Entropy_monitoring wikiPageWikiLink Electroencephalography.
- Entropy_monitoring wikiPageWikiLink Entropy_(information_theory).
- Entropy_monitoring wikiPageWikiLink Evoked_potential.
- Entropy_monitoring wikiPageWikiLink Evoked_potentials.
- Entropy_monitoring wikiPageWikiLink GE_Healthcare.
- Entropy_monitoring wikiPageWikiLink Heart_rate.
- Entropy_monitoring wikiPageWikiLink Information_entropy.
- Entropy_monitoring wikiPageWikiLink Inhalational_anaesthetic.
- Entropy_monitoring wikiPageWikiLink Monitoring_(medicine).
- Entropy_monitoring wikiPageWikiLink Nitrous_oxide.
- Entropy_monitoring wikiPageWikiLink Pulse.
- Entropy_monitoring wikiPageWikiLink Vital_signs.
- Entropy_monitoring wikiPageWikiLinkText "Entropy monitoring".
- Entropy_monitoring wikiPageWikiLinkText "entropy monitoring".
- Entropy_monitoring hasPhotoCollection Entropy_monitoring.
- Entropy_monitoring wikiPageUsesTemplate Template:Anesthesia.
- Entropy_monitoring wikiPageUsesTemplate Template:Citations_missing.
- Entropy_monitoring wikiPageUsesTemplate Template:Cite_journal.
- Entropy_monitoring subject Category:Anesthesia.
- Entropy_monitoring subject Category:Anesthetic_equipment.
- Entropy_monitoring subject Category:Medical_monitoring.
- Entropy_monitoring hypernym Method.
- Entropy_monitoring type Article.
- Entropy_monitoring type Software.
- Entropy_monitoring type Article.
- Entropy_monitoring type Specialty.
- Entropy_monitoring comment "Entropy monitoring is a method of assessing anaesthetic depth. It was commercially developed by Datex-Ohmeda, now part of GE Healthcare.It relies on a method of assessing the degree of irregularity in electroencephalogram (EEG) signals. The founding principle behind this theory is that the irregularity within an EEG signal decreases with increasing brain levels of anaesthetic drugs.".
- Entropy_monitoring label "Entropy monitoring".
- Entropy_monitoring sameAs m.09_rdq.
- Entropy_monitoring sameAs Q5380805.
- Entropy_monitoring sameAs Q5380805.
- Entropy_monitoring wasDerivedFrom Entropy_monitoring?oldid=623130464.
- Entropy_monitoring isPrimaryTopicOf Entropy_monitoring.