ST elevation myocardial infarction gross pathology: Difference between revisions
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[http://www.peir.net Images courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology] | [http://www.peir.net Images courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology] | ||
Image:Image15001.jpg|Acute Myocardial infarction. | Image:Image15001.jpg|Acute Myocardial infarction. | ||
Image:Image15533.jpg|Myocardial infarction, fibrosis. Right Coronary Artery's territory. | Image:Image15533.jpg|Myocardial infarction, fibrosis. Right Coronary Artery's territory. | ||
Image:Image15973.jpg|Acute Myocardial infarction; Posterior wall. | Image:Image15973.jpg|Acute Myocardial infarction; Posterior wall. | ||
Image:Image917.JPG|Gross example of myocardial infarction that is several weeks or perhaps months of age. | Image:Image917.JPG|Gross example of myocardial infarction that is several weeks or perhaps months of age. | ||
Image:Image919.JPG|Acute myocardial infarction. Multi sliced view. | Image:Image919.JPG|Acute myocardial infarction. Multi sliced view. | ||
Image:Image905.JPG|Gross example of acute infarction in fixed heart. Lesion is reflow necrosis stone heart also has old scar. Multisliced view. | Image:Image905.JPG|Gross example of acute infarction in fixed heart. Lesion is reflow necrosis stone heart also has old scar. Multisliced view. | ||
Image:Old MI.jpg|Old myocardial infarction with fibrosis and apical thrombus. | Image:Old MI.jpg|Old myocardial infarction with fibrosis and apical thrombus. | ||
Image:Old MI with fibrosis.jpg|Old myocardial infarction with fibrosis. | Image:Old MI with fibrosis.jpg|Old myocardial infarction with fibrosis. | ||
Image:AMI with epicardial fibrin.jpg|Acute myocardial infarction with epicardial fibrin. | Image:AMI with epicardial fibrin.jpg|Acute myocardial infarction with epicardial fibrin. | ||
Image:Ruptured MI.jpg|Myocardial infarction and rupture. | Image:Ruptured MI.jpg|Myocardial infarction and rupture. | ||
Image:MI and DM.jpg|Myocardial infarction; free wall, 6 days old, in a patient with [[diabetes mellitus]] and [[hypertension]]. | Image:MI and DM.jpg|Myocardial infarction; free wall, 6 days old, in a patient with [[diabetes mellitus]] and [[hypertension]]. | ||
Image:MI and DM 2.jpg|Myocardial infarction free wall, 6 days old, in a patient with [[diabetes mellitus]] and [[hypertension]]. | Image:MI and DM 2.jpg|Myocardial infarction free wall, 6 days old, in a patient with [[diabetes mellitus]] and [[hypertension]]. | ||
Image:Anterior surface in APMI.jpg|Anterior surface of the heart in patient with acute posterior myocardial infarction. | Image:Anterior surface in APMI.jpg|Anterior surface of the heart in patient with acute posterior myocardial infarction. | ||
Image:Posterior surface of APMI.jpg|Posterior surface of the heart in patient with acute posterior myocardial infarction. | Image:Posterior surface of APMI.jpg|Posterior surface of the heart in patient with acute posterior myocardial infarction. | ||
Image:Old MI with aneurysm.jpg|Old myocardial infarction with aneurysm formation | Image:Old MI with aneurysm.jpg|Old myocardial infarction with aneurysm formation | ||
Image:AMI mural thrombus 1.jpg|Myocardial Infarction: Gross; Left ventricle; a mural thrombus. | Image:AMI mural thrombus 1.jpg|Myocardial Infarction: Gross; Left ventricle; a mural thrombus. | ||
Image:AMI mural thrombus 2.jpg|Myocardial Infarction: Gross; An excellent example of all ventricular slices in case of healing posterior and healed anterior myocardial infarction. A mural thrombus at apex. | Image:AMI mural thrombus 2.jpg|Myocardial Infarction: Gross; An excellent example of all ventricular slices in case of healing posterior and healed anterior myocardial infarction. A mural thrombus at apex. | ||
Image:AMI mural thrombus 3.jpg|Myocardial Infarction: Gross; A ventricular slice near apex; Large old anterior and posterior transmural infarctions with mural thrombosis. | Image:AMI mural thrombus 3.jpg|Myocardial Infarction: Gross; A ventricular slice near apex; Large old anterior and posterior transmural infarctions with mural thrombosis. | ||
Image:Posterior wall aneurysm.jpg|Myocardial Infarction: Gross; External view showing indented area represent small posterior wall aneurysm. | Image:Posterior wall aneurysm.jpg|Myocardial Infarction: Gross; External view showing indented area represent small posterior wall aneurysm. | ||
Image:Anterior MI and aneurysm.jpg|Myocardial Infarction: Gross; close-up view of anterior wall of left ventricle with dimpling due to aneurysm. Surrounding hyperemia indicates acute infarction. | Image:Anterior MI and aneurysm.jpg|Myocardial Infarction: Gross; close-up view of anterior wall of left ventricle with dimpling due to aneurysm. Surrounding hyperemia indicates acute infarction. | ||
Image:Mural thrombus and healed MI.jpg|Myocardial Infarction: Gross; healed lesion with mural thrombus (an excellent example) | Image:Mural thrombus and healed MI.jpg|Myocardial Infarction: Gross; healed lesion with mural thrombus (an excellent example) | ||
Image:Myocardial infarct scar.jpg|Myocardial Infarct Scar: Gross; natural color; very large old anterior infarct with wall thinning, mild aneurysm and endocardial thickening. A typical lesion. | Image:Myocardial infarct scar.jpg|Myocardial Infarct Scar: Gross; natural color; very large old anterior infarct with wall thinning, mild aneurysm and endocardial thickening. A typical lesion. | ||
==References== | ==References== | ||
Revision as of 02:37, 26 February 2009
| Myocardial infarction | |
 | |
|---|---|
| Myocardial infarction, fibrosis. Right Coronary Artery's territory | |
| ICD-10 | I21-I22 |
| ICD-9 | 410 |
| DiseasesDB | 8664 |
| MedlinePlus | 000195 |
| eMedicine | med/1567 emerg/327 ped/2520 |
| Cardiology Network |
 Discuss ST elevation myocardial infarction gross pathology further in the WikiDoc Cardiology Network |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Associate Editor-In-Chief: Cafer Zorkun, M.D., Ph.D. [2]
Myocardial infarctions can be classified temporally from clinical and other features, as well as according to the pathological appearance as:[1]
- Evolving phase of myocardial infarction: (>6 hours),
- Acute phase of myocardial infarction: (6 hours – 7 days),
- Healing phase of myocardial infarction: (7–28 days),
- Healed phase of myocardial infarction: (29 days and beyond).
Time from Onset and Gross Morphologic Finding Relations
- 18 - 24 hours: Pallor of myocardium
- 24 - 72 hours: Pallor with some hyperemia
- 3 - 7 days: Hyperemic border with central yellowing
- 10 - 21 days: Maximally yellow and soft with vascular margins
- 7 weeks: White fibrosis
Gross Pathological Findings
Image:Image15001.jpg|Acute Myocardial infarction.
Image:Image15533.jpg|Myocardial infarction, fibrosis. Right Coronary Artery's territory.
Image:Image15973.jpg|Acute Myocardial infarction; Posterior wall. Image:Image917.JPG|Gross example of myocardial infarction that is several weeks or perhaps months of age.
Image:Image919.JPG|Acute myocardial infarction. Multi sliced view. Image:Image905.JPG|Gross example of acute infarction in fixed heart. Lesion is reflow necrosis stone heart also has old scar. Multisliced view.
Image:Old MI.jpg|Old myocardial infarction with fibrosis and apical thrombus. Image:Old MI with fibrosis.jpg|Old myocardial infarction with fibrosis.
Image:AMI with epicardial fibrin.jpg|Acute myocardial infarction with epicardial fibrin. Image:Ruptured MI.jpg|Myocardial infarction and rupture.
Image:MI and DM.jpg|Myocardial infarction; free wall, 6 days old, in a patient with diabetes mellitus and hypertension. Image:MI and DM 2.jpg|Myocardial infarction free wall, 6 days old, in a patient with diabetes mellitus and hypertension.
Image:Anterior surface in APMI.jpg|Anterior surface of the heart in patient with acute posterior myocardial infarction. Image:Posterior surface of APMI.jpg|Posterior surface of the heart in patient with acute posterior myocardial infarction.
Image:Old MI with aneurysm.jpg|Old myocardial infarction with aneurysm formation Image:AMI mural thrombus 1.jpg|Myocardial Infarction: Gross; Left ventricle; a mural thrombus.
Image:AMI mural thrombus 2.jpg|Myocardial Infarction: Gross; An excellent example of all ventricular slices in case of healing posterior and healed anterior myocardial infarction. A mural thrombus at apex. Image:AMI mural thrombus 3.jpg|Myocardial Infarction: Gross; A ventricular slice near apex; Large old anterior and posterior transmural infarctions with mural thrombosis.
Image:Posterior wall aneurysm.jpg|Myocardial Infarction: Gross; External view showing indented area represent small posterior wall aneurysm. Image:Anterior MI and aneurysm.jpg|Myocardial Infarction: Gross; close-up view of anterior wall of left ventricle with dimpling due to aneurysm. Surrounding hyperemia indicates acute infarction.
Image:Mural thrombus and healed MI.jpg|Myocardial Infarction: Gross; healed lesion with mural thrombus (an excellent example) Image:Myocardial infarct scar.jpg|Myocardial Infarct Scar: Gross; natural color; very large old anterior infarct with wall thinning, mild aneurysm and endocardial thickening. A typical lesion.
References
External links
- The MD TV: Comments on Hot Topics, State of the Art Presentations in Cardiovascular Medicine, Expert Reviews on Cardiovascular Research
- Clinical Trial Results: An up to dated resource of Cardiovascular Research
- Risk Assessment Tool for Estimating Your 10-year Risk of Having a Heart Attack - based on information of the Framingham Heart Study, from the United States National Heart, Lung and Blood Institute
- Heart Attack - overview of resources from MedlinePlus.
- Heart Attack Warning Signals from the Heart and Stroke Foundation of Canada
- Regional PCI for STEMI Resource Center - Evidence based online resource center for the development of regional PCI networks for acute STEMI
- STEMI Systems - Articles, profiles, and reviews of the latest publications involved in STEMI care. Quarterly newsletter.
- American College of Cardiology (ACC) Door to Balloon (D2B) Initiative.
- American Heart Association's Heart Attack web site - Information and resources for preventing, recognizing and treating heart attack.