EtCO2 - SIMLabHAW/SIMLab-Emergency-Simulator GitHub Wiki
On this page capnometry (diagram of etCO2) is explained. Thereby, the method of recording is described together with how the simulation was implemented. Links for further information are included.
EtCO2 specifies the level of carbon dioxide released at the end of expiration (et = end-tidal, CO2 = carbon dioxide). When monitoring a patient, this value helps to evaluate the state of the aerobic metabolism, the quality of spontaneous breathing, and for the purpose of ES most importantly: efficacy of a reanimation.
Capnometry is a measuring and monitoring method which determines the carbon dioxide concentration or partial pressure in the respiratory gases of a patient. Hence, the waveform of a capnogram provides information about various respiratory and cardiac parameters as for example the partial pressure in the arterial blood.
For more information on end tidal capnography, just follow these links:
The etCO2 simulation in the Emergency Simulator can be modified or controlled depending on whether the user is logged in as trainer or trainee respectively. Therefore, the user-interface between the two roles vary. The specific set of parameters benefit both, the educational and learning experience provided by the software.
The trainer has many options to modify the simulation of the etCO2 displayed on the trainee's screen. In order to initiate the simulation for the trainee, the switch on the left hand side of the diagram must be switched on as demonstrated below.
To change the mean value of etCO2 or the respiration rate, the arrows next to the input field can be used to increase or decrease as pleased. Alternatively, the desired values can be entered manually as shown on the ECG page, in chapter "Implementation of the Simulation of ECG". Any change in input must be confirmed by pushing the "OK" button in the top right corner in order to also simulate the change in the presented waveform.
Furthermore, the trainer view provides the option to actuate a chronic obstructive pulmonary disease (COPD). Therefore, the button on the right hand side of the input fields for the respiration values must be activated as to be seen below.
The simulation of the trainee's view is shown below.
If the etCO2 value drops below 30mmHg or the respiration rate exceeds 25, the trainee is alerted by a red frame around the simulated characters and occurring alarm tone. This simulation is performed in the same way for critical ECG and SPO2 values. An example thereof is visualised on the ECG page, in chapter "Implementation of the Simulation of ECG".
Related pages:
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