bispectral
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Bispectral analysis — is describes observations made at two wavelengths. It is often used by NASA scientists to analyze elemental make up of atmosphere by analyzing the amount of light reflected and received through various color filters. By combining and removing two … Wikipedia
Bispectral index — A Bispectral index (BIS) monitor is a neurophysiological monitoring device which continually analyses a patient s electroencephalograms during general anaesthesia to assess the level of consciousness during anaesthesia. The depth of anaesthesia… … Wikipedia
Bispectrum — In mathematics, in the area of statistical analysis, the bispectrum is a statistic used to search for nonlinear interactions. The Fourier transform of the second order cumulant, i.e., the autocorrelation function, is the traditional power… … Wikipedia
Anesthesia awareness — Anesthesia awareness, or unintended intra operative awareness occurs during general anesthesia, when a patient has not had enough general anesthetic or analgesic to prevent consciousness or waking up during surgery. BackgroundAwareness occurs in… … Wikipedia
Bicoherence — In mathematics, in the area of statistical analysis, bicoherence is a squared normalised version of the bispectrum. The bicoherence takes values bounded between 0 and 1, which make it a convenient measure for quantifying the extent of phase… … Wikipedia
Entropy monitoring — is a relatively new 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… … Wikipedia
Guedel's classification — Since the invention of anesthesia in 1846, assessment of its depth was a problem. To determine the depth of anesthesia, anesthetist must rely on a series of physical signs of the patient. In 1847, John Snow (1813 1858) [ John Snow. Five stages of … Wikipedia
Dolphin — For other uses, see Dolphin (disambiguation). Bottlenose dolphin breaching in the bow wave of a boat … Wikipedia
BIS — may refer to:*BIS (band), or Believe in Style, a Japanese pop punk band *BIS monitor or bispectral index, to assess the depth of anaesthesia *BIS Records, a Scandinavian record label focusing on classical works *Bachelor of Independent Studies,… … Wikipedia
Anesthesia — Not to be confused with Paresthesia. For other uses, see Anesthesia (disambiguation). Anesthesia, or anaesthesia (see spelling differences; from Greek αν , an , without ; and αἴσθησις, aisthēsis, sensation ), traditionally meant the condition of… … Wikipedia