Medical systems, apparatus and instruments for the acquisition, recording, processing, storing, transmitting or streaming of physiological signal data for diagnostic, monitoring and screening purposes, including electroencephalography (EEG) data, electromyographic (EMG) data, electrocardiographic (ECG) data, photoplethysmography (PPG) data, acoustic data, respiratory data, blood oxygen saturation (SpO2) data, movement data, temperature data, biometric signal data and skin conductance data; we...