Cardiac
Troponin
Also known as: Troponin I, Troponin T, cTn
What it means
A protein released when heart muscle is damaged. Elevated troponin is a key test for diagnosing a heart attack. Every ER checks this.
Typical normal range
<0.04 ng/mL (varies by lab)
Reference ranges vary by lab, age, sex, and pregnancy. Always check the range on your own report.
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Related terms in Cardiac
This is a plain-language explanation for patients, not clinical advice. AI can be wrong. Always confirm with your doctor.