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Monitoring

Anaesthesia, surgery, blood loss, and stress influence the function of the heart, circulation, lungs, and kidneys. These systems require close observation by the anaesthetist, who is assisted by advanced modern devices that continuously survey all vital functions and enable him or her to manage the anaesthetic to ensure that adequate safety margins are maintained. In recent years, it has become possible to measure the depth of anaesthesia by continuous monitoring of the EEG (brain waves), and thus to largely prevent the unpleasant problem of awareness during anaesthesia. Improved technology and expansion of the anaesthetist’s range of activity have contributed to a substantial decrease in complications.

Modern monitoring allows early recognition of potential complications:

• ECG
• Pulse oximetry (measurement of the oxygen content of the blood)
• Blood pressure measurement: noninvasive or invasive
• Capnometry (measurement of the composition and partial gas pressures of the expired air)
• EEG / BIS (Measurement of the brain waves to determine the depth of anaesthesia)
• During lon