Normal EKG Findings

Question 1

What leads should you see an upright P wave?

Answer 1

1, 2, aVF

V4-V6

Question 2

What leads should show a normal QRS complex?

Answer 2

1, aVL, aVF

Question 3

What leads should show an upright T wave?

Answer 3

1, 2

V3-V6

Question 4

How long is the “normal” PR interval?

Answer 4

< 1 big box (<0.20 seconds)

Question 5

How long is the normal QRS complex?

Answer 5

0.05 - 0.10 seconds

Question 6

How long is the “normal” QT interval?

Answer 6

< 50% of an R-R interval

Question 7

What does an inverted T wave suggest?

Answer 7

Ischemia

Question 8

What does a Q wave/QS complex suggest?

Answer 8

Necrosis/Infarction

Question 9

What does a tall, pointed, prominent T wave suggest?

Answer 9

Ischemia

Question 10

What does ST elevation suggest?

Answer 10

Pattern of Injury

Question 11

Which leads are used to determine the axis of deviation?

Answer 11

1 and aVF

Question 12

What findings would be visible if there was a right axis deviation?

Answer 12

• deflection in lead 1, + deflection in lead aVF

Question 13

What findings would be visible if there was a left axis deviation?

Answer 13

+ deflection in lead 1, - deflection in aVF

Question 14

What findings would be visible if there was a “normal” axis of deviation?

Answer 14

+ deflection in lead 1, + deflection in aVF

Question 15

Which lead is aVF perpendicular to?

Answer 15

Lead 1

Question 16

Which lead is aVR perpendicular to?

Answer 16

Lead 3

Question 17

Which lead is aVL perpendicular to?

Answer 17

Lead 2

Question 18

Which leads read the anterior of the heart?

Answer 18

V2-V4 (V1-V6)

Question 19

Which leads read the inferior of the heart?

Answer 19

2, 3 aVF

Question 20

Which leads read the lateral heart?

Answer 20

1, aVL (V4-V6)

Question 21

Which leads read the septum of the heart?

Answer 21

V1-V2