12 Lead ECG

How many electrodes are used in a 12 lead ECG?

• 4

• 6

• 10

• 12

It's called a 12 Lead ECG because it provides 12 _____ of the heart.

What are the electrodes placed on the CHEST called?

• Precordial electrodes

• Lead wires

• Limb electrodes

• Chest leads

What are the electrodes placed on the ARMS and LEGS called?

• Precordial electrodes

• Lead wires

• Limb electrodes

• Chest leads

How is V1 electrode placement remembered?

• Bike

• Your

• Ride

• Green

What color is the lead wire for V5?

• Purple

• Orange

• Yellow

• Red

Where is the V4 electrode placed?

• 5th intercostal space, midclavicular line

• 4th intercostal space, right of the sternum

• 5th intercostal space, mid-axillary line

• 5th intercostal space, anterior axillary line

What does the mnemonic 'BOP' help to remember?

• Colors of V1-V3

• Order of precordial electrodes

• Colors of V4-V6

• Placement of limb electrodes

Why might limb electrodes be placed on the torso?

• To reduce motion artifact

• Because it's easier

• To improve the accuracy of the ECG

• To use fewer electrodes

What is the correct sequence for the mnemonic 'Ride your green bike on pavement'?

• V1 is red, V2 is yellow, V3 is green, V4 is blue, V5 is orange, V6 is purple

• V1 is blue, V2 is orange, V3 is purple, V4 is red, V5 is yellow, V6 is green

• V1 is green, V2 is blue, V3 is orange, V4 is purple, V5 is red, V6 is yellow

• V1 is yellow, V2 is green, V3 is blue, V4 is orange, V5 is purple, V6 is red