ECG

Question 1

3 Limb leads

Answer 1

I, II and III

Question 2

3 augmented voltage leads

Answer 2

aVR, (right), aVL (left), aVF (foot)

Question 3

6 chest leads

Answer 3

V1-V6

Question 4

depolarisation moving toward the (+ve) recording electrode creates

Answer 4

an upward deflection on ECG

Question 5

depolarisation moving away from the (+ve) recording electrode creates

Answer 5

a downward deflection on ECG

Question 6

P wave

Answer 6

Atrial depolarisation

Question 7

PR interval

Answer 7

Delay of AV node, 0.12

Question 8

QRS Interval

Answer 8

Ventricular depolarisation

Question 9

ST segment

Answer 9

Time between ventricular depolarisation and depolarisation

Systole

Question 10

T wave

Answer 10

Ventricular repolarisation

Question 11

TP segment

Answer 11

Diastole

Question 12

RA - LA

Answer 12

Limb lead 1

Question 13

RA - LL

Answer 13

Limb lead 2

Question 14

LA-LL

Answer 14

Limb lead 3

Question 15

aVR

Answer 15

Augmented voltage lead right

Question 16

aVL

Answer 16

Augmented voltage lead left

Question 17

aVF

Answer 17

Augmented voltage lead foot

Question 18

V1

Answer 18

4th intercostal space, mid clavicular line on right of sternum

Question 19

V2

Answer 19

4th intercostal space, mid clavicular line on left side of sternum

Question 20

V3

Answer 20

Directly between v2 and v4

Question 21

V4

Answer 21

5th intercostal space, mid clavicular line, left hand side

Question 22

V5

Answer 22

Level with V4 at left anterior axillary line

Question 23

V6

Answer 23

level with V5 at left anterior axillary line

Question 24

Lateral leads

Answer 24

aVL, I, V5, V6

Question 25

Inferior Leads

Answer 25

avF, II, III,

Question 26

Septal leads

Answer 26

V1, V2

Question 27

Anterior leads

Answer 27

V3, V4

Question 28

Anteroseptal leads

Answer 28

V1-V4

Question 29

Anterolateral leads

Answer 29

V3-V6