Rapid EKG

Question 1

Lead 1 is at

Answer 1

0 degrees

Question 2

Lead II is at

Answer 2

60 degrees

Question 3

Lead III is at

Answer 3

120 degrees

Question 4

Lead AvL

Answer 4

-30 degrees

Question 5

Lead aVr is at

Answer 5

-150 degrees

Question 6

Lead aVf is at

Answer 6

90 degrees

Question 7

The normal electrical axis range is

Answer 7

-30 to 90 degrees

Question 8

A left axis deviation is

Answer 8

-30 to -90 degrees

Question 9

A right axis deviation is

Answer 9

90 to 180 degrees

Question 10

Lead V1 is at

Answer 10

120

Question 11

Lead V2

Answer 11

90

Question 12

Lead V3

Answer 12

75

Question 13

Lead V4

Answer 13

60

Question 14

Lead V5

Answer 14

30

Question 15

Lead V6

Answer 15

0

Question 16

V1 and V2 are the

Answer 16

Anteroseptal leads

Question 17

V3 and V4 are the

Answer 17

Anteroapical leads

Question 18

Leads V5 and V6 are the

Answer 18

Anterolateral leads

Question 19

The lateral leads include

Answer 19

1, aVL, V5 and V6 and tell us about the left circumflex supply

Question 20

The inferior leads include

Answer 20

II, III, and aVF and tell us about the right coronary artery

Question 21

What are the anterior leads?

Answer 21

V1-V4 and they tell us about the left anterior descending artery

Question 22

Why might a left axis deviation occur?

Answer 22

Normal variation due to diaphragm elevation (pregnancy)
Left ventricular enlargement
Inferior MIA
Right sided pneumothorax

Question 23

Why might a right axis deviation occur?

Answer 23

Normal variation in children, right ventricular enlargement, lateral myocardial infarction, left sided tension pneumothorax