| PHYSIOLOGICAL MEASUREMENT |
| Blood oxygenation (SpO2), pulse rate (PR) and its variability (PR-V), inter beat interval (IBI), respiratory rate (RR), blood pressure (BP), photoplethysmography (PPG) |
| Body mass composition, hydration, electrodermal activity (EDA), galvanic skin response (GSR), conductance response (SCR), hemodynamic, respiratory rate (RR), thoracic, impedance cardiography (ICG), pneumography (IPG) or imaging (EIT) |
| Biopotentials, electrocardiography (ECG) and electromyography (EMG) |
| Skin, sweat vapours |
| Sweat, skin electrochemistry |
| Digital stethoscope |