Table 1: The following table may help to compare the voltages required for macroshock currents and microshock currents: [1]

Patient

Resistance

Minimum

Voltage

Setting

 (Ohms)

 Current

Needed

 

R

I

 I * R

Dry Skin

50,000

40mA (macro)

 2000V

Wet Skin

500

40mA (macro)

 20V

Pacer Electrode

500

10µA (micro)

5mV

P.A. catheter

25500

10µA (micro)

255mV