6: EKG Lead Placement

Question 1

Location of V2 lead.

Answer 1

Left sternal border

Question 2

What is the angle for Lead 1?

Answer 2

0

Question 3

Which leads are high lateral leads?

Answer 3

aVL

Lead 1

Question 4

Lateral leads look at the axillary line. Name them.

Answer 4

V4-6

Asynch says V4 and V6, but really V5-6 are lateral and V3-4 are anterior, but some sources have V4-6 as lateral

Question 5

Location of V5 lead.

Answer 5

Between V4 and V6

Question 6

Which leads are limb leads?

Answer 6

1, 2, 3

aVR, aVL, aVF (these are composite views and not separate leads)

Question 7

Measurement of Lead 1.

Answer 7

L Arm - R Arm.
LA is the + lead.
Looks across the upper chest.

Question 8

What is the angle for Lead 2?

Answer 8

+60

Question 9

Septal leads look at the ventricular septum. Name the leads.

Answer 9

V1

V2

Question 10

What is the angle for Lead aVL?

Answer 10

-30

Question 11

Measurement of Lead 3

Answer 11

L Leg - L Arm.

LL is the + lead.

Question 12

What is the angle for Lead 3?

Answer 12

+120

Question 13

Location of V1 lead.

Answer 13

4th ICS right sternal border

Question 14

What is the angle for Lead aVR?

Answer 14

-150

Question 15

Inferior leads look from the bottom up. Name the leads.

Answer 15

2
3
aVF

Question 16

Location of V6 lead.

Answer 16

6th ICS midaxillary line

Question 17

Measurement of Lead 2.

Answer 17

L Leg - R Arm.

LL is the + lead.

Question 18

Location of V3 lead.

Answer 18

Between V2 and V4

Question 19

Which lead looks at the opposite side of the heart?

Answer 19

aVR

Question 20

Measurement of + aVR -.

Answer 20

R Arm - Composite view between L Arm and L Leg, so the view is across the abdomen.
RA is + lead.

Question 21

Which leads are the precordial leads?

Answer 21

V1-V6

Question 22

Measurement of - aVL +.

Answer 22

L Arm - Composite view between R Arm and R Leg, so the view is across the abdomen.
LA is + lead.

Question 23

Measurement of + aVF -.

Answer 23

L Leg - Composite view between R and L Arms, so view is midsternal border.
LL is the + lead.

Question 24

Location of V4 lead.

Answer 24

5th ICS midclavicular line

Question 25

What is the angle for Lead aVF?

Answer 25

+90

Question 26

Positive electrode “looks” toward the _____.

Answer 26

Positive electrode “looks” toward the negative electrode. There is one point of gaze per pair of electrodes.

Question 27

What is the pattern of placement for the precordial leads?

Answer 27

V1
V2
V4
V3
V6
V5