Cardiac Biomarker Testing
Health Checkups
estimated about CNY 500-1000
(estimated about USD 70-150)
30 min
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Description
Cardiac biomarker testing measures heart-damage proteins to diagnose or monitor conditions like heart attacks, typically needed after chest pain or suspected cardiac events, with costs ranging ¥70–150 at ChinaMedicalHub-coordinated hospitals.
Main Uses
Cardiac marker tests are primarily used for diagnosing and monitoring heart conditions. They are crucial in the assessment of suspected acute coronary syndromes, evaluating the severity of heart attacks, guiding treatment decisions, and monitoring the effectiveness of therapies. These tests are also useful in the prognosis of patients with heart failure and in differentiating between cardiac and non-cardiac causes of chest pain.
Normal Range
The normal range for cardiac markers varies depending on the specific marker. For Troponin I, it is typically <0.04 ng/mL; for Troponin T, <0.01 ng/mL; for CK-MB, <5 ng/mL; and for BNP (B-type Natriuretic Peptide), <100 pg/mL in healthy individuals.
Low Values - Possible Causes
Low values of cardiac markers are generally not a concern as they indicate no or minimal heart damage. However, if considering BNP, low levels can be seen in: dehydration, overuse of diuretics, or in very healthy individuals with excellent cardiovascular health.
High Values - Possible Causes
High values of cardiac markers usually indicate heart damage or stress. Common causes include: acute myocardial infarction (heart attack), unstable angina, heart failure, severe infections (sepsis) leading to systemic inflammatory response, and kidney disease which can elevate BNP levels due to reduced clearance.
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