Modern high-sensitivity troponin assays can detect troponin at levels far below older tests, allowing earlier diagnosis of heart attack and detection of subtle cardiac injury. Serial measurements over hours help distinguish acute injury from chronic elevation and confirm acute coronary syndromes.
This test is essential in evaluating chest pain, shortness of breath, or other symptoms suggesting acute coronary syndrome. It is also used in other conditions affecting the heart, such as myocarditis, heart failure, and pulmonary embolism, where troponin elevations carry prognostic information. Sample type is serum or plasma.
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