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Doctor insights on: Cardiac Enzymes

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Dr. Cynthia Archer
39 doctors shared insights

Cardiac Enzymes (Overview)

Troponins are muscle enzymes that can be measured in the blood to detect muscle damage in the heart like with a heart attack. When the muscle is damaged the enzymes leak from the cells.


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What are cardiac enzymes?

What are cardiac enzymes?

Cardiac enzymes: What we refer to are certain lab tests which evaluate the presence and levels of particular enzymes which reach abnormal levels in various states of heart pathology. There are enzymes we measure to evaluate heart attack, congestive heart failure and other conditions. Like any other test, they have sensitivity and specificity levels and need to be understood to interpret them. ...Read more

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Dr. Cynthia Archer
39 doctors shared insights

Cardiac Enzymes (Overview)

Troponins are muscle enzymes that can be measured in the blood to detect muscle damage in the heart like with a heart attack. When the muscle is damaged the enzymes leak from the cells.


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My husband had left chest, left arm and neck 'tightness'. Experienced similar pain while kayaking. Ecg/cardiac enzymes normal. No energy and lethargic?

My husband had left chest, left arm and neck 'tightness'. Experienced similar pain while kayaking. Ecg/cardiac enzymes normal. No energy and lethargic?

Needs evaluation : The guidance you seek is best done in person with your doctor since the most important information is buried in the details of the case. Seeking guidance for sa patient with left arm, chest pain and neck tightness, especially with exertion, is risky - despite a negative ekg and cardiac enzymes, other conditions such as HTN and diabetes complicates the clinical picture ...Read more

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History of myocarditis + chf(30&8yyrs ago). feel shortness of breth&othr symp.Cardiac enzymes OK. jgb,hct,rbc low but not bad.can this be myocarditis?

History of myocarditis + chf(30&8yyrs ago). feel shortness of breth&othr symp.Cardiac enzymes OK. jgb,hct,rbc low but not bad.can this be myocarditis?

Myocarditis: If your cardiac enzymes are normal it is unlikely. A CXR and an echo may be helpful to complete your assessment. The anemia may be unrelated and should be looked at separately. All the best. ...Read more

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What are the normal levels for cardiac enzymes?

What are the normal levels for cardiac enzymes?

Varies: Varies based on type of test (assay) being used which is normal values accompany results for reference. ...Read more

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What are cardiac enzymes?

Cardiac enzymes: What we refer to are certain lab tests which evaluate the presence and levels of particular enzymes which reach abnormal levels in various states of heart pathology. There are enzymes we measure to evaluate heart attack, congestive heart failure and other conditions. Like any other test, they have sensitivity and specificity levels and need to be understood to interpret them. ...Read more

See 2 more doctor answers
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What are the normal levels for cardiac enzymes?

Varies: Varies based on type of test (assay) being used which is normal values accompany results for reference. ...Read more

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What causes cardiac enzymes to become elevated?

Enzymes: The stock answer is myocardial cell damage or death causes release and elevation of the enzymes. Cardiac enzymes are supposed to be very specific, in practice not quite so much.. ...Read more

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What are probably causes for increase in cardiac enzymes?

What are probably causes for increase in cardiac enzymes?

Heart attack: Cardiac enzymes are for the most part muscle enzymes and can be elevated by anything that causes problems with muscle. The more cardiac specific enzymes will be less bothered but none are perfect. One would have to know what was going on before your enzymes were drawn to speculate what might have happened, including lab error. ...Read more

Enzyme (Definition)

An enzyme causes the transformation of a compoond to another compound. In living structures, it is the transformation of a protein to another form. An example is from an inactive state ...Read more


Dr. Lawrence Kessler
5 doctors shared insights

Cardiac (Definition)

Cardiac translates literally to "heart, " and any place the term is seen, such ...Read more