The method according to claim 1, further comprising receiving an SpO 2 signal. The method according to claim 1, wherein the breath flow dynamics signal comprises a Doppler radar signal. The method according to claim 1, wherein the breath flow dynamics signal comprises a computer-aided video analysis.

The method according to claim 1, wherein the breath flow dynamics signal comprises a chest movement measurement. The method according to claim 1, wherein the breath flow dynamics signal comprises a thermal measurement. The method according to claim 1, wherein the breath flow dynamics signal comprises an acoustic measurement. The method according to claim 1, wherein the breath flow dynamics signal comprises a flow measurement. The method according to claim 1, wherein the receiving of the breath flow dynamics signal comprises wirelessly receiving the breath flow dynamics signal. The method according to claim 1, wherein the CO 2 signal comprises discrete PCO 2 readings taken every 900 ms or more. The method according to claim 1, wherein the CO 2 signal comprises discrete PCO 2 readings taken every 500 ms or more. The method according to claim 1, wherein the receiving of the CO 2 signal comprises wirelessly receiving the CO 2 signal. The method according to claim 1, further comprising calculating an estimated minute CO 2 value. The method according to claim 1, further comprising calculating an estimated EtCO 2 value. A method for ventilation analysis, the method comprising:Д¬onstructing, using a processor, an estimated CO 2 waveform by way of mutual analysis of the PCO 2 and BFD signals, wherein said estimated CO 2 waveform depicts partial pressure of CO 2 in exhaled breath as a function of time, and wherein constructing the estimated CO 2 waveform comprises determining a start point and an end point of exhalation and a duration of said exhalation based on said BFD signals Relaying the estimated PCO 2 waveform to a clinician by displaying on a display. Wherein said CO 2 sensor has a response time of more than 100 ms Д¬onstructing, using a processor, an estimated CO 2 waveform by way of mutual analysis of the PCO 2 and BFD signals, wherein said estimated CO 2 waveform depicts partial pressure of CO 2 in exhaled breath as a function of time, and wherein constructing the estimated CO 2 waveform comprisesdetermining a start point and an end point of exhalation and a duration of said exhalation based on said BFD signals Дetermining, based on said CO 2 signals, an average PCO 2 value obtained during the exhalation determined based on said BFD signals Д¬onstructing an estimated PCO 2 waveform based on a shape of a common CO 2 waveform, the determined said start point of exhalation, the determined said end point of exhalation, the determined said duration of the exhalation, and on the determined average PCO 2 value and receiving discrete partial pressure (PCO 2) signals from a CO 2 sensor and breath flow dynamics (BFD) signals from a BFD sensor.A method for ventilation analysis, the method comprising:

End tidal co2 monitor