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ECG Library (2359)

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A 40 year old man with chest pain since last night

This ECG is from a man in his 40s who presented with chest pain since the previous evening, associated with vomiting and diaphoresis. He had recently stopped smoking.

This ECG shows subtle disproportionately tall T waves in V2-V3 and ST depression in V3-6 with slight ST elevation in V1. The cause was a 100% proximal LAD thrombotic occlusion.

Chest pain Anterior ST depression Hyperacute T waves 12-Lead Dr Smith's ECG Blog Dr Ken Grauer Dr Pendell Meyers CC BY-NC
A patient with chest pain that is resolving. Computer interprets ED ECG as completely Normal.

This ECG is from a man in his 60s who presented with resolving chest pain.

This ECG shows hyperacute T waves in V2-4. The cause was an 80% obstruction of the LAD with a large thrombus. An earlier ECG showed ST segment elevation.

Chest pain Hyperacute T waves 12-Lead Dr Smith's ECG Blog CC BY-NC
A 40-something woman with no medical history presented with 2 days of chest pain

This ECG is from a woman in her 40s who presented with 2 days of chest pain.

This ECG shows widened QRS with delta waves due to Wolff Parkinson White syndrome. This was missed by the computer. There are secondary repolarisation changes.

Delta wave Wide QRS Wolff Parkinson White syndrome 12-Lead Dr Smith's ECG Blog CC BY-NC
A 60-something with syncope

This ECG is from a man in his 60s who had a witnessed sudden loss of consciousness and awakening.

This ECG shows widespread ST elevation without reciprocal ST depression. Angiography was normal.

Anterior ST elevation Inferior ST elevation Lateral ST elevation Normal ST elevation 12-Lead Dr Smith's ECG Blog CC BY-NC
The computer and the cardiologist called this a “Normal EKG”

This ECG is from a woman in her 40s who presented with 'heartburn' overnight and then worsening chest pain 1 hour prior to arrival.

This ECG shows subtle MI with inferior and anterior hyperacute T waves and some reciprocal ST depression in aVL. The cause was a complete occlusion of a wraparound LAD.

Hyperacute T waves 12-Lead Dr Smith's ECG Blog CC BY-NC
Is this new LAD occlusion with ST Elevation superimposed on old QS-wave MI?

This ECG is from a middle aged male who presented with a choking feeling in his throat, on a background of prior anterior STEMI complicated by cardiac arrest, and ICD.

This ECG shows QS waves with ST elevation in anterior leads. The T waves were larger than previous, so he was sent to the cath lab, but angiography was normal.

LV aneurysm 12-Lead Dr Smith's ECG Blog CC BY-NC
I was handed this ECG at triage with no information

This ECG is from a man in his 50s who presented with a syncopal event.

This ECG shows comparison to baseline ECGs suggested an old MI with persistent ST elevation (LV aneurysm).

LV aneurysm 12-Lead Dr Smith's ECG Blog CC BY-NC
A man in his sixties with chest pain at midnight with undetectable troponin

This ECG is from a man in his 60s who presented with 3 hours of chest pain.

This ECG shows ST elevation and hyperacute T waves in V2 with inferior and lateral ST depression. The cause was acute LAD occlusion.

Anterior ST elevation Hyperacute T waves Inferior ST depression Lateral ST depression 12-Lead Dr Smith's ECG Blog CC BY-NC
LBBB. Is there Occlusion MI (OMI)? Is so, which artery is it?

This ECG is from a patient who presented in acute pulmonary oedema.

This ECG shows sinus tachycardia with LBBB and concordant ST depression in inferior leads. There is also excessive discordant ST depression in V6. The cause was a 100% LAD occlusion.

12-Lead Dr Smith's ECG Blog CC BY-NC
ECG Blog #164 (PACs โ€” Blocked PACs โ€” Wenckebach โ€” Laddergram)

This ECG shows a grouped rhythm with regular P waves (often hidden in the QRS but best visible between beats 7-8) and Wenckebach AV block.

Second degree AV block type 1 - Wenckebach Rhythm Strip ECG Interpretation CC-BY-NC-SA
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This is a library of 2359 free, open access, re-usable ECGs from across the web.

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.