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End-Tidal CO2 (ETCO2)

To measure end-tidal CO2 on a breath-by-breath basis, use the AFT20 gas sampling interface kit to connect the CO2100C module directly to the sampling port on the AFT25 facemask. Use AcqKnowledge’s rate detector to find the peak of the cyclic CO2 concentration signal. The running peak value represents the breath-by-breath end-tidal CO2.

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How to Add NIRS Labs for Brain Function and Muscle Oxygenation

With Biopac Student Lab, students learn by doing and use near-infrared spectroscopy (NIRS) sensors to record and analyze data displaying changes in deoxygenated (Hb) and oxygenated (HbO2) hemoglobin during cognitive and neuromuscular.
Learn what fNIRS can add to your physiology lab:
– Principles of optical brain imaging
– Lessons on prefrontal cortex imaging and muscle oxygenation
– Demonstration examining Hb and HbO2 during BP occlusion
– Combining fNIRS curriculum with EMG, EDA, EEG, ECG, SpO2, and Respiration to examine the relationship between brain oxygenation and other physiological signals
– Use cases for both teaching and research

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