ST elevation myocardial infarction EKG examples

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

EKG Examples

Shown below is an EKG demonstrating the evolution of an infarct on the EKG. ST elevation, Q wave formation, T wave inversion, normalization with a persistent Q wave suggest STEMI.

Copyleft image obtained courtesy of ECGpedia, http://en.ecgpedia.org/wiki/File:AMI_evolutie.png

Anterior Myocardial Infarction

Shown below is an EKG demonstrating loss of R waves throughout the anterior wall (V1-V6). QS complexes in V3-V5. ST elevation in V1-V5 with terminal negative T waves.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Shown below is an EKG demonstrating acute anterior MI. LAD artery occlusion.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Shown below is an EKG showing sinus rhythm with anteroseptal myocardial infarction depicting ST elevation in V1-V6 and in lead I.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Anterolateral Myocardial Infarction

Shown below is an EKG demonstrating sinus rhythm. The remarkable feature is the poor R wave progression in the V1 and V2 leads and the ST elevation and T wave changes in leads V1 to V4 and I and aVL. The cardiogram suggests an anterior/ lateral MI possibly acute. There is also terminal P wave negativity in V1 suggesting a left atrial abnormality.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:E209.jpg

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Inferior Myocardial Infarction

Shown below is an EKG demonstrating ST elevation in the precordial and limb leads depicting acute inferior MI.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Shown below is an EKG demonstrating changes during acute inferior MI depicting ST elevation in leads II, III and aVF.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Posterior Myocardial Infarction

Shown below is an EKG with ST elevation in II, III, aVF (in III > II), ST depression in I, aVL, V2. Tall R in V2, otherwise normal QRS morphology. The findings are suggestive of acute posteroinferior MI.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Shown below is an EKG demonstrating changes during acute posterolateral MI depicting ST depression in precordial leads V2-V6.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Infero-Posterior Myocardial Infarction

Shown below is an EKG with ST depression in V1, V4, tall R in V2. ST elevation in II, III, aVF, V5 and V6.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Shown below is an EKG with sinus bradycardia with first degree AV block and inferior-posterior-lateral myocardial infarction.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Shown below is an EKG depicting sinus bradycardia with inferior-lateral myocardial infarction.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Right Ventricular Myocardial Infarction

Shown below is an EKG demonstrating ST elevation in lead V1 and aVR; reversal of V6.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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Shown below is an EKG demonstrating STEMI changes in the right precordial leads.

Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page

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