Normal ECG

Question 1

Appearance of I

Answer 1

small P, no Q or S, has T, upright

Question 2

Appearance of II

Answer 2

upright, complete set, R 7ss, T 4 ss

Question 3

Appearance of III

Answer 3

upright, R and S same height (3-4ss), T and P present small (1-2 ss)

Question 4

Appearance of aVR

Answer 4

inverted, complete

Question 5

Appearance of aVL

Answer 5

only a small upright R peak

Question 6

Appearance of aVF

Answer 6

uptake, complete

Question 7

Appearance of V1

Answer 7

inverted
R 10ss
Q and T present
S and P not

Question 8

Appearance of V2

Answer 8

upright
Q (10ss) larger than R (5ss)
no P
T elongated and 5 ss tall

Question 9

Appearance of V3

Answer 9

same as V2, but Q taller (13ss) and R (5ss), T elongated and 10 ss tall

upright

Question 10

Appearance of V4

Answer 10

upright 
small P present
Q and S present 
R massive (15-20ss) 
T 10ss tall

Question 11

Appearance of V5

Answer 11

upright
very small P present
No Q or S
skinny R (12ss)
T 5 ss

Question 12

Appearance of V6

Answer 12

looks like V5 but smaller
R 5ss
T 2ss

Question 13

Rhythm

Answer 13

Like II