Troponin
troponin test · heart attack blood test · troponin I · troponin T · cardiac enzymes
This is a blood test from a vein. It shows whether the heart muscle is damaged.
Usually in an emergency, for chest pain or a possible heart attack. Sometimes for follow-up after heart problems.
⏱ Duration: the blood draw takes a few minutes; in hospital, results usually come within an hour; the test is often repeated after 1 to 3 hours

Be sure to tell your doctor
How to prepare
- Prep. None needed. With chest pain, do not wait. The test is done right away in hospital.
- Important. If you have chest pain, do not go to a lab on your own. Call emergency services.
What to bring
- Your ID
- A list of your medicines
- Past ECGs, if you have them
How it goes
- A nurse takes blood from a vein, often placing an IV line at the same time
- An ECG is usually done at the same time
- Blood is often taken again after 1 to 3 hours
- The doctor compares the two results
What you'll feel
- A quick prick, like a pinch
Afterwards
- Your doctor will decide on further tests and treatment
- If the test was planned, results usually come the same day
Contact a doctor straight away if
- Pain, pressure, or burning in the chest for more than a few minutes: call emergency services
- Pain spreading to the arm, jaw, or back, with cold sweat or shortness of breath: call emergency services
Common questions
Why is troponin taken twice?
It rises gradually. The second test shows whether the level is changing.
Can I just get a troponin test at a lab if I have chest pain?
No. With chest pain, call emergency services. An ECG and fast care matter most.