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What Is Troponin
Troponin is an enzyme found in heart muscle, which is involved in the muscle fiber's ability to contract. It is extremely specific to heart muscle, and hence if levels are elevated in the blood, it points very confidently toward heart muscle damage as a cause of patient's symptoms. In fact, it is the test that is used to definitively ...Read more
Cycling: Not sure what you mean or where you got that terminology. We often do serial troponin exams over a time period to see whether the level is rising/falling; one might call that cycling. Physiologically there is a cycle of troponin binding during heart contraction so not sure what you mean. ...Read more
What are troponins in cardiac patients? What are acceptable levels of troponins in cardiac patients? Thank you for your time and response.
Damaged heart tissue: Cardiac markers including ckmb and troponins measure damage to the heart muscle which occurs in a heart attack - the damaged/dying muscle will leak these into the serum which can be measured as blood tests. They start off "negative" - in the reference range - and then 4-6 hrs after the start of the heart attack they begin to rise - will eventually peak and over several days return to normal. ...Read more
What does a Troponin level of <0.02 mean? I had a Troponin I blood test done. I am wondering if this is normal?
What does a troponin result of <0.02* mean ? I was reading over my lab results and wondered if this was significant to anything or if this was normal.
Damaged heart muscle: If heart muscle cells r damaged, troponin will leak into the blood + levels will rise. However, the muscle damage may be caused by several diseases, not the least of which is coronary artery disease (c article via link below 4 details) http://www.Ncbi.Nlm.Nih.Gov/pmc/articles/pmc1860726/ bottom line? Troponin levels r a sensitive + specific indicator of heart muscle damage from any cause. Dr mike. ...Read more
A biomarker: Measurement of troponin t is used to help make the diagnosis of myocardial infarction (heart attack). The chemical leaks from damaged heart muscle and confirms injury to the heart. A new assay called highly sensitive troponin is now available and is 10 times more sensitive and increases the speed and accuracy of the diagnosis. If the result is negative 3 hours after chest pain, mi is unlikely. ...Read more
Cardiac enzyme: Troponin t is an enzyme in heart muscle cells that is specific to heart muscle so the term "cardiac specific troponin t" is redundant. Normally, almost all of the troponin t we own is inside of the heart muscle cells with almost none (an immeasurably small amount) is in our blood. When the heart is injured, some troponin leaks into the blood where it becomes measurable. ...Read more
Is C reactive protein and/or sedimentation rate always elevated during acute rheumatic fever? What about BNP and troponin in carditis?
CRP is one of the markers for rheumatic fever. Troponin would be elevated if there is carditiis. BNP may or may not be elevated. You may consult this site for more info:
https://www.mayoclinic.org/diseases-conditions/rheumatic-fever/symptoms-causes/syc-20354588 ...Read more
What could <0.10 Troponin I signify? I was released from the hospital with this level after ekg (w/pvc) normal sinus rhythm,CT,Chest X-ray
Troponin: Chest pain related tests include checking the blood for release of heart muscle cell Troponin and CPK. Release of these substances occur when the heart is damaged by decreased blood flow from a blockage in the pipe supplying blood to the heart, direct trauma or from inflammation of the muscle, etc. The rate of release and amount determines the significance of the release to guide management. ...Read more
This can vary: Both troponin i and troponin t assays are used to test the blood for evidence of damage to the heart muscle. The normal range for troponin i is higher than the normal range for troponin t. In a given laboratory, the normal ranges may differ from that in another laboratory, depending upon the assay system used. Each laboratory generally publishes normal ranges for the particular assay it uses. ...Read more
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