Table 1.

Potential physiological parameters for pain monitoring and assessment

Physiological data	Sensitivity	Frequency range	Amplitude range	Sampling frequency
ECG	100 μV	0.05–110 Hz	0.5–5 mV	>200 Hz
EMG	5 μV	30–300 Hz	5–1,000 μV	>500 Hz
EDA	0.01 μSiemens	0.01–1 Hz	1–20 μSiemens	>50 Hz
EEG	0.5 μV	0.5–500 Hz	1–100 μV	>1,000 Hz
PPG		0.5–5 Hz		>100 Hz
Respiration		0.1–0.5 Hz		25 Hz
Blood pressure	1 mmHg		40–300 mmHg	>0.01 Hz
Temperature	0.1 °C		35.0–42.0°C	>0.01 Hz