Appearance of Heart Conditions on an ECG

Question 1

P waves absent and irregularly irregular rhythm?

Answer 1

Atrial fibrillation

Question 2

Baseline replaced by flutter waves?

Answer 2

Atrial flutter

Question 3

PR interval fixed at 0.28 seconds?

Answer 3

First degree heart block

Question 4

ST elevation in leads II, III and avF?

Answer 4

Inferior MI

Question 5

Tall T waves?

Answer 5

Hyperkalaemia

Question 6

P waves and QRS complexes completely unrelated?

Answer 6

Third degree heart block

Question 7

ST depression in V4-V6?

Answer 7

Myocardial ischaemia

Question 8

PR interval gets progressively longer until QRS complex missed?

Answer 8

Second degree heart block (Mobitz I)

Question 9

PR interval fixed but intermittent dropped QRS complexes?

Answer 9

Second degree heart block (Mobitz II)