TROPONIN I

Overview

Troponin I is a cardiac biomarker used primarily to diagnose myocardial infarction (heart attack) and other forms of heart injury. It is a protein found in cardiac muscle, and its levels in the blood increase when heart muscle cells are damaged. Troponin I tests are sensitive and specific, making them valuable for assessing heart conditions. Elevated levels can indicate recent or ongoing cardiac damage, and results are typically interpreted alongside clinical symptoms and other diagnostic tests.