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  1. Troponin Test: What it Is and Normal Range - Cleveland Clinic

    A troponin test looks for a protein that’s unique to heart muscle. Damage to those cells, such as from a heart attack, is the sole cause of troponin in your blood.

  2. Understanding Troponin Levels and Test Results - Verywell Health

    Sep 28, 2024 · A troponin level is a useful test that can help in the diagnosis of a heart attack, which is a medical emergency. It can also indicate injury to the heart caused by surgery, …

  3. Normal troponin levels: Healthy ranges and more

    Apr 17, 2025 · Troponin refers to three different proteins that help regulate the contractions of the heart and skeletal muscles. Normal troponin levels range from 0 to 0.04 nanograms per …

  4. Cardiac Troponin Test: A test that detects a heart attack - WebMD

    Sep 30, 2025 · Troponin is a protein that appears in the blood only when the heart muscle is damaged, as in a heart attack. There are other causes of elevated troponin, but a heart attack …

  5. Troponin - Wikipedia

    Troponin, or the troponin complex, is a complex of three regulatory proteins (troponin C, troponin I, and troponin T) that are integral to muscle contraction [2] in skeletal muscle and cardiac …

  6. Troponin Levels: Understanding the Heart Attack Blood Test

    Oct 21, 2025 · When the heart muscle is damaged, troponin is released into the bloodstream, acting as a clear signal of heart issues. In this post, we’ll explore what troponin is, how the test …

  7. Troponin testing: Clinical use - UpToDate

    Aug 15, 2025 · Cardiac troponin I and T are specific and sensitive biomarkers of myocardial injury. They are the preferred serologic tests for the evaluation of patients with suspected …

  8. High-Sensitivity Troponin Test: Normal Range, High Level

    Sep 27, 2024 · Troponin is a protein very specific for the heart muscle, and when a heart attack occurs, troponin levels in the blood begin to rise within 2 to 4 hours of onset, and continue to …

  9. Troponin Levels Testing and Results - Healthgrades

    Jul 15, 2025 · Troponin is a protein in heart muscle. A troponin test measures troponin in blood. High levels may indicate heart damage. Learn about uses, testing and results.

  10. Troponin - StatPearls - NCBI Bookshelf

    Jul 18, 2020 · Studies have also suggested that the kidneys have some role in clearing troponin from circulation, although there is no evidence of troponin in urine. This can complicate the …