How to Make ECG Leads
• Strip 2-3” of insulation– Use an Exacto knife to carefully cut the gray
insulation away– Do not cut the metal braided shield
underneath
How to Make ECG Leads
• Push the shield together with both fingers
• This will cause the shield to loosen around the wire
How to Make ECG Leads
• Open a hole in the shield to pull the wire through
• Use the knife to pry a hole in the shield
How to Make ECG Leads
• Pull wire out of shield through the hole you made
• The shield is now hollow
How to Make ECG Leads
• Twist shield wires together
• Twist black (ground) wire together
• Slip black plastic banana plug cover over wires
• Solder metal banana plug to wire bundle
How to Make ECG Leads
• Slip orange plastic banana plug cover over arm lead wire (white).
• Solder metal banana plug to wire.
• Repeat for other arm lead.
How to Make ECG Leads
• Strip other end of wire
• Cut shield back from inner wire
• Be sure to not solder alligator clip to shield– This will make your ECG not work
• Solder alligator clips to each wire
• Tip: For a neater looking job, use heat shrink tubing around the base of the alligator clip (put on wire before soldering).