certain ect equipment may interfere with the proper function of the bis monitoring … BIS measurements are resistant to artifact from electrocautery devices. This muscle activity, measured as EMG in decibels, can be caused by pain, twitches, seizures, eye movement, or anything that results in increased muscle tone or movement. Nuts and bolts. The bispectral index (BIS) The BIS monitor displays a real-time electroencephalography (EEG) trace, acquired from a frontotemporal montage. The electromyogram (EMG) is a real time, direct physiologic parameter available to trend as a secondary trace to the BIS trace. 2 Next Generation SedLine utilizes Masimo’s Parallel Signal Processing Engines to … The sensors cost $773 (Cdn) for a box of 25. The list price of the BIS monitor is $13,500 (Cdn). In all cases, the BIS sensor was applied to the forehead and connected to the BIS monitor via the patient interface cable and digital signal converter before the induction of anesthesia along with the standard monitors. Because intraoperative awareness and recall happen rarely, only 1 randomized controlled trial of all the studies reviewed, was adequately powered to show the impact of BIS monitoring. The algorithm detects and filters interference from EMG. Apart from BIS, the other variables indicated on the monitor are the electromyelogram (EMG… By selecting this value, two traces will appear on the monitor screen. Let's take a closer look. Benefits for anesthesia and critical care BIS measurements can help clinicians formulate the precise type and optimal dosages of anesthetic or sedative medication for each patient. EMG is a common confounding factor that can interfere with EEG signals used in brain function monitoring. BIS monitoring … considerations when using electro convulsive therapy (ect) equipment during bis monitoring: separate ect electrodes from the bis sensor as much as possible to minimize the effect of interference. It does this by analysing changes in the … The monitor generates a dimensionless … For this reason, BIS monitors include an EMG … The BIS VISTA Monitor … Bispectral index monitoring (BIS, Aspect Medical Systems, Boston, MA) is used to measure the hypnotic component of anaesthesia. By responding to EMG spikes as if they were heart rate or blood pressure changes, the BIS monitor is then transformed into a real time monitor … The BIS algorithm processes the frontal EEG and converts the signal to a waveform on the BIS monitor. This activity can generate high-frequency signals that can contaminate the EEG and make the BIS index unreliable. The EMG is displayed on the BIS monitor … monitor is not designed for use in mri environment. The BIS device consists of a transducer that's connected to a monitor … The BIS-EMG parameter is a logarithmic scale of total power in the 70–110 Hz range, averaged over the preceding 10 s. 21 It has a minimal value of ∼25 dB, and in the awake patient it is 40–60 dB. INTRODUCING THE BIS VISTA MONITORING SYSTEM Indications for Use The BIS VISTA Monitoring System is intended for use under the direct supervision of a licensed healthcare practitioner or by personnel trained in its proper use.