Table 2.

Electrode characteristics and ANSI/AAMI requirements for disposable ECG electrodes

	Textile	ANSI/AAMI
DC resistance	< 0.1 KΩ	< 2 KΩ
AC impedance (12)	1.26 ± 0.18 KΩ	< 3 KΩ
Internal noise	1–3 μV	< 150 μV
Defibrillation discharge at 200 V
Recovery PV	0.195 ± 0.80 mV	< 100 mV
Rate of change of PV	No change	< 1 mV/sec
AC impedance after test	1.14 ± 0.07 KΩ	< 3 KΩ
DC offset voltage (12)	0.0028 ± 0.0020 mV	< 100 mV

Data are reported as the means ± SD

ANSI American National Standard Institute, AAMI Association for the Advancement of Medical Instrumentation, ANSI/AAMI standards: Ref. [14], PV depolarizing voltage, n: number of experiments