A mains electricity (AC-powered) device designed for the continuous measurement and display of blood gas and related parameters when blood is circulated outside of the body in a closed system. It is typically used with an appropriate sensor or sensor cassette inserted into external tubing to measure parameters such as partial pressure of oxygen (pO2), partial pressure of carbon dioxide (pCO2), pH, temperature, haemoglobin (Hb), and hematocrit (Hct). It is typically used with a cardiopulmonary bypass system, or bedside for a patient with respiratory failure (e.g., obstructive lung disease, severe asthma) or severe pulmonary hypertension after cardiac surgery.
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