Follow the links to read more about each condition.
Fascicular and bundle-branch blocks
Ventricular hypertrophy and dilatation
- Sodium-channel blocker toxicity (e.g. TCA overdose) - wide QRS plus positive R’ wave in aVR.
Arrhythmogenic cardiac conditions
- Brugada syndrome - localised QRS widening in V1-2 with RBBB morphology.
- Arrhythmogenic right ventricular dysplasia (AVRD) - localised QRS widening in V1-2 plus epsilon waves and variable signs of right ventricular hypertrophy.
- Not due to any of the causes above — Before making this diagnosis, be sure to check the serum potassium level and scrutinise the ECG for any signs of TCA toxicity.
- ECG BASICS – Waves, Intervals, Segments and Clinical Interpretation
- ECG CLINICAL CASES – Your favourite ECG’s placed in clinical context with a challenging Q&A approach
- ECG and Cardiology Eponymous Syndromes – Cheats guide to eponymous emancipation
- ECG Reference Sites on the WEB – the best of the rest
- Chan TC, Brady WJ, Harrigan RA, Ornato JP, Rosen P. ECG in Emergency Medicine and Acute Care. Elsevier Mosby 2005.
- Edhouse J, Thakur RK, Khalil JM. ABC of clinical electrocardiography. Conditions affecting the left side of the heart. BMJ. 2002 May 25;324(7348):1264-7. Review. PubMed PMID: 12028984; PubMed Central PMCID: PMC1123219 [Full Text].
- Surawicz B, Knilans TK. Chou’s Electrocardiography in Clinical Practice. 6th Edition. Saunders Elsevier 2008.
- Wagner, GS. Marriott’s Practical Electrocardiography (11th edition), Lippincott Williams & Wilkins 2007.