12-Lead ECG Placement 15 question Quiz

What is the main purpose of this video tutorial?

• To teach how to place a 12-lead ECG and its electrodes

• To explain the anatomy of the heart

• To discuss the history of ECG

• To compare different types of ECG machines

How many electrodes are used in a 12-lead ECG?

• 6

• 10

• 8

• 12

What is the difference between electrodes and lead wires?

• Electrodes are the sticky pads, and lead wires transmit electrical activity

• Lead wires are the sticky pads, and electrodes transmit electrical activity

• Electrodes are used for recording, and lead wires are used for placement

• Both are the same

What mnemonic helps remember the placement of the right arm electrode?

• Smoke over fire

• Clouds over grass

• White on the right

• Ride your green bike

Which color lead wire is used for the left leg?

• White

• Black

• Red

• Green

Where are the limb electrodes placed?

• On the chest

• On the extremities

• On the back

• On the head

Where is the V1 electrode placed?

• Fourth intercostal space, right of the sternum

• Fourth intercostal space, left of the sternum

• Fifth intercostal space, midclavicular line

• Fifth intercostal space, anterior axillary line

What color is the lead wire for V2?

• Blue

• Red

• Green

• Yellow

Which mnemonic helps remember the order of precordial lead wire colors?

• White on the right

• Clouds over grass

• Ride your green bike on pavement

• Smoke over fire

Where is the V4 electrode placed?

• Fourth intercostal space, right of the sternum

• Fourth intercostal space, left of the sternum

• Fifth intercostal space, midclavicular line

• Fifth intercostal space, anterior axillary line