Topics for which consensus was reached | Round in which consensus was reached | Agreement amongst panellists (%) | Mode | Topics for which consensus was not reached | Agreement amongst panellists (%) | Mode |
---|---|---|---|---|---|---|
Abnormal features on the ECG | ||||||
AV dissociation | Second | 82.1 | 5 | Early repolarisation | 60.4 | 4 |
Poor R wave progression | Second | 87.7 | 4 | Brugada pattern | 27.7 | 2 |
Small QRS complexes | Second | 87.7 | 4 | New tall T wave in V1 | 51.5 | 4* |
Electrical alternans | Third | 80.2 | 4 | T wave inversion in aVL | 47.5 | 4 |
Pathological Q waves | First | 97.0 | 5 | U waves | 71.3 | 4 |
Non-specific T wave inversion | First | 83.2 | 4 | Inverted U waves | 15.8 | 2 |
Clinical / biochemical diagnosis | ||||||
Pericarditis | First | 87.8 | 5 | Tricyclic antidepressant (TCA) toxicity | 59.4 | 4 |
Pericardial effusion | Second | 88.5 | 4 | Na channel blocker toxicity | 28.7 | 2 |
Acute pulmonary embolism | Second | 87.5 | 4 | Calcium channel blocker toxicity | 39.6 | 2 |
Features of pulmonary hypertension | Second | 86.5 | 4 | Beta-blocker toxicity | 60.4 | 4 |
Hyperkalaemia | First | 94.6 | 5 | Hypertrophic cardiomyopathy | 59.4 | 4 |
Hypokalaemia | First | 76.9 | 5 | Dextrocardia | 57.4 | 4 |
Digoxin toxicity | Second | 75.0 | 4 | Hypothermia | 72.3 | 4 |
Shivering artefact | Second | 86.5 | 4 | Hypothyroidism | 37.6 | 2 |
Pleural effusion | 17.8 | 2 | ||||
Pneumothorax | 17.8 | 2 | ||||
Raised intracranial pressure | 41.6 | 2 | ||||
Diagnostic approach to the abnormal ECG | ||||||
Differential diagnosis for right axis deviation | First | 80.0 | 4 | |||
Differential diagnosis for left axis deviation | First | 80.8 | 4 | |||
Differential diagnosis for dominant R wave in V1 | First | 77.7 | 4 | |||
Regular narrow complex tachycardia | Second | 95.2 | 5 | |||
Irregular narrow complex tachycardia | Second | 87.5 | 5 | |||
Regular wide complex tachycardia | Second | 95.2 | 5 | |||
Irregular wide complex tachycardia | Second | 88.5 | 5 |