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.

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 …

Nov 23, 2025 · High troponin levels in your blood can be a sign of heart damage and can help your provider identify cardiac issues such as heart attack. This marker helps diagnose heart …

Sep 29, 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 …

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 …

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.

Inside each of these cells, you'll find a special protein called troponin. Its main job is to help your heart muscle contract and relax with every single beat, a tiny, critical switch for a life sustaining …

Troponin is a protein found in cells in your heart muscle. When these cells are injured, they can release troponin and other substances into the blood. This usually happens when the heart …

Troponin is a protein found within the muscle cells of the heart. It is a complex of three subunits: troponin C, troponin I, and troponin T, all of which play a role in muscle contraction and …

Mar 15, 2023 · Troponin is a protein released into your blood after you experience a heart attack. High troponin levels can be indicators of other heart conditions or illnesses, too.