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  2. Cardiac marker - Wikipedia

    en.wikipedia.org/wiki/Cardiac_marker

    Depending on the marker, it can take between 2 and 24 hours for the level to increase in the blood. Additionally, determining the levels of cardiac markers in the laboratory - like many other lab measurements - takes substantial time. Cardiac markers are therefore not useful in diagnosing a myocardial infarction in the acute phase.

  3. Diagnosis of myocardial infarction - Wikipedia

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

    The diagnosis of myocardial infarction requires two out of three components (history, ECG, and enzymes). When damage to the heart occurs, levels of cardiac markers rise over time, which is why blood tests for them are taken over a 24-hour period. Because these enzyme levels are not elevated immediately following a heart attack, patients ...

  4. CPK-MB test - Wikipedia

    en.wikipedia.org/wiki/CPK-MB_test

    The CPK-MB test (creatine phosphokinase-MB), also known as CK-MB test, is a cardiac marker [3] used to assist diagnoses of an acute myocardial infarction, myocardial ischemia, or myocarditis. It measures the blood level of CK-MB (creatine kinase myocardial band), the bound combination of two variants (isoenzymes CKM and CKB ) of the enzyme ...

  5. Wikipedia:Osmosis/Myocardial infarctions - Wikipedia

    en.wikipedia.org/.../Myocardial_infarctions

    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.

  6. Myocardial infarction - Wikipedia

    en.wikipedia.org/wiki/Myocardial_infarction

    A myocardial infarction (MI), commonly known as a heart attack, occurs when blood flow decreases or stops in one of the coronary arteries of the heart, causing infarction (tissue death) to the heart muscle. [1] The most common symptom is retrosternal chest pain or discomfort that classically radiates to the left shoulder, arm, or jaw. [1]

  7. Creatine kinase - Wikipedia

    en.wikipedia.org/wiki/Creatine_kinase

    Thus creatine kinase is an important enzyme in such tissues. [3] Clinically, creatine kinase is assayed in blood tests as a marker of damage of CK-rich tissue such as in myocardial infarction (heart attack), rhabdomyolysis (severe muscle breakdown), muscular dystrophy, autoimmune myositides, and acute kidney injury. [4]

  8. Variant angina - Wikipedia

    en.wikipedia.org/wiki/Variant_angina

    Associated with these ECG changes, there may be small elevations in the blood levels of cardiac damage marker enzymes, especially during long attacks. Some individuals with otherwise typical variant angina may show depressions, rather than elevations in the ST segments of their ECGs during angina pain; they may also show new U waves on ECGs ...

  9. Acute coronary syndrome - Wikipedia

    en.wikipedia.org/wiki/Acute_coronary_syndrome

    Acute coronary syndrome is subdivided in three scenarios depending primarily on the presence of electrocardiogram (ECG) changes and blood test results (a change in cardiac biomarkers such as troponin levels): [4] ST elevation myocardial infarction (STEMI), non-ST elevation myocardial infarction (NSTEMI), or unstable angina. [5]

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