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  2. Diagnosis of myocardial infarction - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_myocardial...

    In particular, acute myocardial infarction in the distribution of the circumflex artery is likely to produce a nondiagnostic ECG. [10] The use of additional ECG leads like right-sided leads V3R and V4R and posterior leads V7, V8, and V9 may improve sensitivity for right ventricular and posterior myocardial infarction. [citation needed]

  3. Coagulative necrosis - Wikipedia

    en.wikipedia.org/wiki/Coagulative_necrosis

    Different diseases are associated with coagulative necrosis, including acute tubular necrosis and acute myocardial infarction. [2] Coagulative necrosis can also be induced by high local temperature; it is a desired effect of treatments such as high intensity focused ultrasound applied to cancerous cells. [3]

  4. Myocardial infarction complications - Wikipedia

    en.wikipedia.org/wiki/Myocardial_infarction...

    Necrosis begins after 20 minutes of an infarction. Under 4 hours of ischemia, there are no gross or microscopic changes noted. [2] From 4-24 hours coagulative necrosis begins to be seen, which is characterized by the removal of dead cardiomyocytes through heterolysis and the nucleus through karyorrhexis, karyolysis, and pyknosis. [3]

  5. Contraction band necrosis - Wikipedia

    en.wikipedia.org/wiki/Contraction_band_necrosis

    Contraction band necrosis is a type of uncontrolled cell death unique to cardiac myocytes and thought to arise in reperfusion from hypercontraction, which results in sarcolemmal rupture. [ 1 ] It is a characteristic histologic finding of a recent myocardial infarction (heart attack) that was partially reperfused.

  6. Warfarin necrosis - Wikipedia

    en.wikipedia.org/wiki/Warfarin_necrosis

    Warfarin-induced skin necrosis is a condition in which skin and subcutaneous tissue necrosis (tissue death) occurs due to acquired protein C deficiency following treatment with anti-vitamin K anticoagulants (4-hydroxycoumarins, such as warfarin). [1] Warfarin necrosis is a rare but severe complication of treatment with warfarin or related ...

  7. Fibrinoid necrosis - Wikipedia

    en.wikipedia.org/wiki/Fibrinoid_necrosis

    Fibrinoid necrosis is a pathological lesion that affects blood vessels, and is characterized by the occurrence of endothelial damage, followed by leakage of plasma proteins, including fibrinogen, from the vessel lumen; these proteins infiltrate and deposit within the vessel walls, where fibrin polymerization subsequently ensues. [1] [2] [3] [4]

  8. Myocardial infarction - Wikipedia

    en.wikipedia.org/wiki/Myocardial_infarction

    Myocardial infarction; Other names: Acute myocardial infarction (AMI), heart attack: A myocardial infarction occurs when an atherosclerotic plaque slowly builds up in the inner lining of a coronary artery and then suddenly ruptures, causing catastrophic thrombus formation, totally occluding the artery and preventing blood flow downstream to the heart muscle.

  9. Wikipedia : Osmosis/Myocardial infarctions

    en.wikipedia.org/wiki/Wikipedia:Osmosis/...

    CK-MB starts to rise 2-4 hours after infarction, peaks around 24 hours, and returns to normal after 48 hours. Since CK-MB returns to normal more quickly, it can be useful to diagnose reinfarction, a second infarction that happens after 48 hours but before troponin levels go back to normal. A second heart attack happens following 10% of MIs.