ECG Interpretation

Question 1

Answer 1

Irregularly irregular rhythm, AF

Question 2

Answer 2

Anterior STEMI (left anterior descending artery)

Question 3

Answer 3

Downsloping ST depression

Inverted t waves

Short QT interval

all consistent with Digoxin toxicity

Question 4

Answer 4

Anterior ST elevation

Question 5

Answer 5

Bradycardia

U waves present in V2-V5

Inverted t waves

All consistent with hypokalaemia

Question 6

Answer 6

Third degree heart block

Question 7

Answer 7

LVH

Deep ST depression

T wave inversion

hypertrophic obstructive cardiomyopathy

Question 8

Answer 8

Ischaemic changes in II, III, avF

Inferior MI

Question 9

Answer 9

Sawtooth pattern, atrial flutter

Question 10

Answer 10

Broad QRS complex

Tall tented t waves

Hyperkalaemia

Question 11

Answer 11

Hypokalaemia

Question 12

Answer 12

Tall tented t waves in anterior leads

Hyperkalaemia

Question 13

Answer 13

Wide QRS

Bizarre deep T waves in V1 and V2

Peaked T waves in V4 and V5

Hyperkalaemia

Question 14

Answer 14

Torsades de pointes

Question 15

Answer 15

Flattened p waves

Peaked t waves

Hyperkalaemia

Question 16

Answer 16

WPW

Question 17

Answer 17

Each p wave and QRS complex are preceded by a vertical deflection/spikes

Dual chamber pacemaker

Question 18

Answer 18

Left ventricular hypertrophy (hypertrophic cardiomyopathy)

Question 19

Answer 19

Small QRS complexes

Electrical alternans

Cardiac tamponade