RESPIRATION MONITORING SYSTEM AND METHOD, MASK, BREATHING CIRCUIT AND BREATHING CIRCUIT FILTER FOR USE IN SUCH SYSTEM AND METHOD, AND COMPUTER PROGRAM

摘要

In a system and method of monitoring a respiration of a patient, an SpO2 signal and a CO2 signal are provided and processed to establish an output signal indicating a respiration status, being one of a "call for help" status, a "perform tracheotomy" status and a "normal situation" status, depending on conditions determined from the SpO2 signal and the CO2 signal over time, weight data, length data and age data of the patient.