LO3 12 Lead ECGs

Question 1

What Is a 12-Lead ECG?

Answer 1

• Each ECG lead looks at the heart from a different angle
• One lead may see a normal myocardium, while another may be looking at major damage.

Question 2

3 lead placement

Answer 2

**white to right
Red to bed (torso
Black- Smoke over fire
Green- ground

Question 3

o Contiguous leads

Answer 3

: (Sister leads) Must both be elevated to be important

Question 4

SALI

Answer 4

septal wall
anterior wall
lateral wall
inferior wall

Question 5

septal wall

Answer 5

o V1, V2
o Place Along sternal borders

Question 6

• Anterior Wall

Answer 6

(left ventricle area)
o V3, V4
o Placed Left Anterior Chest

Question 7

• Lateral Wall

Answer 7

o V5 and V6
o Lead I and aVL
o Left Arm
o Placed Left Lateral Chest
o elevation in 2 or more (udoesn’t have to be all) its important

Question 8

• Inferior Wall

Answer 8

(looks at bottom of heart- ventricles- CO input/output)
o Lead II, III, aVF
o Left leg

Question 9

Placement

Answer 9

V1- 4TH intercostal (R sternum)
V2- 4th intercostal (L sternum)
V3- in between V2 and V4
V4- midclavicular 5th intercostal (L side)
V5- in between V4 and V6
V6- mid axillary 5th intercostali

Question 10

• Skin Preparation

Answer 10

o Dry/remove oil
o Remove excess hair

Question 11

• Patient Preparation

Answer 11

o Cease movement
o Breath normally
o Stop speaking