Hypertrophy and enlargement
Hypertrophic Cardiomyopathy (HCM) is an inherited disorder associated with sudden death in young athletes. ECG features include tall QRS complexes, dagger Q waves and wide P waves. In the uncommon Apical HCM there is also giant T wave inversion. Arrhythmias such as AF or SVTs are common and there is a risk of VT. It is also associated with Wolff Parkinson White syndrome.
HCM has also been known as Hypertrophic obstructive cardiomyopathy (HOCM) or idiopathic hypertrophic subaortic stenosis (IHSS).
- Hampton, J and Hampton, J (2019) - The ECG Made Easy, 9th edn, Elsevier
- Thaler, MS (2018) - The Only EKG Book You'll Ever Need, 9th edn, Lippincott Williams and Wilkins
- Wagner, GS and Strauss, DG (2013) - Marriott's Practical Electrocardiography, 12th edn, LWW
- Strong Medicine (2016) - Advanced EKGs - Sudden Cardiac Death (Hypertrophic cardiomyopathy, ARVD, Brugada syndrome, and CPVT), (Accessed: 05/09/2019)
Variations: Hypertrophy and enlargement
This ECG is from a man in his 30s who presented to the Emergency Department following a brief episode of atypical chest pain.
Where did they come from?
These ECGs were collected from Free Open Access Medical Education (#FOAMed) blogs, with the permission of their authors. You can find out more about each ECG's source by clicking on it.
Why are they here?
This is an experiment in digital curation. The idea is to collect resources to increase awareness and accessibility. Over time, more ECGs in the collection will be tagged to make it easier to find them and reused in new interactive quizzes.
How can I use these ECGs?
You can use these ECGs for your own learning, teaching or research - as long as you abide by the terms of each ECG's copyright licence as stipulated by the original author.