12 Lead ECGs

Front

How many electrodes are typically used on a 12 lead ECG?

Back

10

Front

The LIMB electrodes are placed on which part of the body?

Back

Arms and Legs

Front

The PRECORDIAL electrodes are placed on which part of the body?

Back

Chest

Front

Why is it important to prepare the skin before attaching electrodes for an ECG?

Back

To improve electrode adhesion and signal quality.

Front

Where are the limb electrodes placed during a Stress Test ECG?

Back

Closer to the trunk of the body

Front

Which of the following should prompt immediate stopping of a stress test? Moderate increase in heart rate, Gradual increase in respiratory rate, Drop in blood pressure with dizziness, Mild sweating

Back

Drop in blood pressure with dizziness

Front

Which lead is placed at the left midclavicular line in the 5th intercostal space? Options: v2, v4, v5, v6

Back

v4

Front

Which two leads are placed in the 4th intercostal space?

Back

v1 and v2

Front

Which mnemonic is used to remember the limb electrode colors on the LEFT side of the patient?

Back

Smoke Over Fire

Front

If a patient had a right arm amputation, where would the limb electrodes be placed?

Back

Right & Left Shoulder