ECG

Question 1

Delta wave and short PR interval

Answer 1

WPW

Question 2

Normal axis at birth

Answer 2

+60 to + 180 (I.e. more right facing)

Question 3

Normal axis at 10 yr

Answer 3

+30 to +90 I.e. left facing

Question 4

P wave > 2.5 mm in lead 11

Answer 4

R atrial hypertrophy

Question 5

Normal PR interval

Answer 5

3-5 small squares (0.12-0.2 s)

Question 6

Shortened PR interval

Answer 6

WPW

Question 7

PR interval > 0.2s

Answer 7

Heart block

Question 8

Bifid P wave

Answer 8

Aka p mitrale = left atrial hypertrophy

Question 9

Delta wave

Answer 9

WPW

Question 10

Reverse tick sign

Answer 10

Digoxin toxicity

Question 11

Normal QRS duration

Answer 11

3 small squares (0.12s)

Question 12

PR interval > 0.2s, P wave always followed by QRS

Answer 12

1st degree heart block

Question 13

1. Coved ST segment elevation followed by an inverted T wave in >1 of V1-3
2. Saddleback shaped ST elevation

Answer 13

Brugada sign (Brugada syndrome = Na channelopathy)

1. Brugada type 1
2. Brugada type 2