10 Precision biomedical device, namely electrocardiograph (ECG); heart rate, sinus tachycardia (ST) elevation/depression, respiration, spot oxygen saturation (SPO2,) non-invasive blood pressure (NIBP,) invasive blood pressure (IBP,) end-tidal carbon dioxide (ETCO2,) temperature, anesthetic agent, carbon dioxide (O2,) and nitrous oxide (N2O) monitors and recording equipment