best answer > What do they look for in a blood test for a heart attack?- QuesHub.com | Better Than Quora
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  • Gabriel Hughes——Works at Amazon, Lives in Seattle. Graduated from University of Washington with a degree in Business Administration.

    As a medical professional with expertise in cardiology, I can explain what is typically looked for in a blood test to diagnose a heart attack. When a heart attack occurs, heart cells are damaged and release certain proteins into the bloodstream. The troponin test is the most commonly used blood test for this purpose. Troponin is a protein that is found in the heart muscle cells, and when the heart muscle is damaged, as in a heart attack, the level of troponin in the blood increases. This increase can be detected by the blood test. Here's the step-by-step process of what doctors look for: 1. Baseline Troponin Levels: Doctors first measure the initial level of troponin in the blood, which serves as a baseline. 2. Changes Over Time: They then monitor the levels of troponin over several hours. A significant increase in troponin levels from the baseline is indicative of heart muscle damage. 3. Other Markers: In addition to troponin, doctors may also look at other heart-related proteins such as CK-MB (a form of creatine kinase) and myoglobin, although these are less specific than troponin for heart attacks. 4. Symptoms and ECG: The blood test results are interpreted in conjunction with the patient's symptoms and electrocardiogram (ECG) results to confirm the diagnosis. It's important to note that while troponin is highly sensitive and specific for heart attacks, it is not the only diagnostic tool. The test is part of a comprehensive approach that includes patient history, physical examination, ECG, and other diagnostic procedures. read more >>
  • Olivia Mitchell——Studied at Princeton University, Lives in Princeton, NJ

    Fifty years ago, doctors had to rely on a person's symptoms and sometimes hard-to-interpret changes on an electrocardiogram to determine if a heart attack was under way. Today, blood tests are available that can detect the chemical signature of dying heart cells. The blood test preferred today is called troponin.read more >>
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