ST elevation myocardial infarction EKG examples: Difference between revisions
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Shown below is an EKG demonstrating [[sinus rhythm]] and a [[QRS]] with a rightward axis, as well as [[wide Q waves]] in leads [[Electrocardiogram#Limb|I]] and [[Electrocardiogram#Augmented lead|aVL]] as well as a poor R wave progression across the anterior chest leads. There is also slight [[ST elevation]] in leads [[Electrocardiogram#Limb|I]],[[Electrocardiogram#Augmented lead|aVL]] , and [[T wave inversion]] in the lateral leads. The EKG is consistent with a lateral wall myocardial infarction. | |||
[[Image:STEMI 35.jpg |center|800px]] | |||
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page | |||
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===Anterolateral Myocardial Infarction=== | ===Anterolateral Myocardial Infarction=== | ||
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Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:De-Ami0011.jpg | Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:De-Ami0011.jpg | ||
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Shown below is an EKG demonstrating [[sinus rhythm]]. The [[QRS]] shows [[Q wave]]s in the inferior leads which are wide (>30ms) and about 25% of the QRS height in [[aVF]]. There is also slight [[ST elevation]] in the [[inferior]] leads and [[T wave inversion]]. The EKG suggests an inferior wall infarction, probably old. (the best way to determine "old" is to see a previous cardiogram). | |||
[[Image:Old inferior wall MI 1.jpg|center|800px]] | |||
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page | |||
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===Posterior Myocardial Infarction=== | ===Posterior Myocardial Infarction=== | ||
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Shown below is an EKG demonstrating ST elevation in leads II, III and aVF and ST depression in leads V1, V2 and V3 depicting a [[posterior MI]]. | |||
[[Image:Posterior MI patient.jpg|center|800px]] | |||
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==References== | ==References== | ||
Revision as of 22:21, 11 March 2014
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ST Elevation Myocardial Infarction Microchapters |
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Differentiating ST elevation myocardial infarction from other Diseases |
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Diagnosis |
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Treatment |
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Case Studies |
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ST elevation myocardial infarction EKG examples On the Web |
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Directions to Hospitals Treating ST elevation myocardial infarction |
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Risk calculators and risk factors for ST elevation myocardial infarction EKG examples |
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.
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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
Shown below is an EKG showing sinus rhythm with anteroseptal myocardial infarction depicting ST elevation in V1-V6 and in lead I.
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Shown below is an EKG demonstrating acute anterior myocardial infarction and left anterior hemiblock depicting ST elevation in precordial leads.
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Shown below is an EKG demonstrating old anterior myocardial infarction and bifascicular block (RBBB and LAHB) as indicated in the anterior chest leads.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Shown below is an EKG illustrating acute MI with proximal LAD occlusion depicting ST elevation in anterior precordial leads.
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Shown below is an EKG demonstrating a 2 days old anterior infarction with Q waves in V1-V4 with persisting ST elevation, a sign of left ventricular aneurysm formation.
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Shown below is an EKG demonstrating a 2 weeks old anterior infarction with Q waves in V2-V4 and persisting ST elevation, a sign of left ventricular aneurysm formation.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Shown below is an EKG demonstrating a large anterior wall infarction on admission. This image depicts ST elevation in V2-V5 leads.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Shown below is an EKG showing ST elevation in the anterior precordial leads, low voltages in all the leads, poor R wave progression in the precordial leads.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:De-AMI_anterior_LAD_2days.jpg
Shown below is an EKG demonstrating ST segment elevation in precordial leads signifying anterior myocardial infarction.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:De-AMI_anterior.png
Shown below is an EKG showing sinus rhythm with abnormal QRS and a Q wave in lead V2 which is suggestive of a previous anterior wall myocardial infarction.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:E289.jpg
Shown below is an EKG demonstrating sinus rhythm and a QRS with a rightward axis, as well as wide Q waves in leads I and aVL as well as a poor R wave progression across the anterior chest leads. There is also slight ST elevation in leads I,aVL , and T wave inversion in the lateral leads. The EKG is consistent with a lateral wall myocardial infarction.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Normal 0 false false false EN-US X-NONE X-NONE
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
Shown below is an EKG demonstrating acute myocardial infarction in in a patient with a pacemaker and LBBB. Concordant ST elevation in V5-V6 are clearly visible. There is discordant ST segment elevation > 5 mm in lead V3.
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Shown below is an EKG demonstrating findings in the same patient as in the first example 2 months before the myocardial infarction. Normal LBBB pattern.
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Shown below is an EKG showing ST elevation MI.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:De-KJcasus12.jpg
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
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
Shown below is an EKG demonstrating RBBB and inferior MI. Note to left axis deviation.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Shown below is an EKG demonstrating lead V4R in a patient with RBBB and inferior MI, which clearly shows ST elevation.
Copyleft image obtained courtesy of,http://en.ecgpedia.org/wiki/Main_Page
Shown below is an EKG demonstrating atrial fibrillation with inferior-posterior-lateral myocardial infarction and incomplete right bundle branch block. Lead I shows ST depression, suggestive of right coronary artery involvement.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Shown below is an EKG showing ST elevation in inferior leads.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:De-Ami0007.jpg
Shown below is an EKG showing ST elevation MI.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:De-KJcasus16.jpg
Shown below is an EKG showing ST elevation in inferior leads.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:De-Ami0011.jpg
Shown below is an EKG demonstrating sinus rhythm. The QRS shows Q waves in the inferior leads which are wide (>30ms) and about 25% of the QRS height in aVF. There is also slight ST elevation in the inferior leads and T wave inversion. The EKG suggests an inferior wall infarction, probably old. (the best way to determine "old" is to see a previous cardiogram).
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Normal 0 false false false EN-US X-NONE X-NONE
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
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
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
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
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
Shown below is an EKG illustrating inferior-posterior myocardial infarction with complete AV block and ventricular escape rhythm with RBBB pattern and left axis, followed by sinus rhythm.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Shown below is an EKG demonstrating atrial fibrillation and inferior-posterior myocardial infarction.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Shown below is an EKG demonstrating inferior-posterior-lateral myocardial infarction with a nodal escape rhythm
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Shown below is an EKG showing ST elevation MI.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:De-KJcasus13.jpg
Shown below is an EKG showing ST elevation MI.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/File:De-Ami0010.jpg
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
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
Shown below is an EKG demonstrating clear ST elevation in the right precordial leads. A coronary angiography revealed a proximal right coronary artery occlusion.
Copyleft image obtained courtesy of, http://en.ecgpedia.org/wiki/Main_Page
Shown below is an EKG demonstrating ST elevation in leads II, III and aVF and ST depression in leads V1, V2 and V3 depicting a posterior MI.
Normal 0 false false false EN-US X-NONE X-NONE