Measuring Troponin In General Practice

High sensitivity(HS) troponin measurement in the emergency room/hospital setting is now widely established in Australia and is now being recommended for widespread implementation in the USA.

Lower cut-offs into the normal range may find value as a single determinant for exclusion purposes in the acute emergency ward setting, however, because HS troponin may be elevated in a number of noncoronary cardiac conditions, a rise and/or fall in the level is usually required for diagnosis of a coronary infarct1.

In unstable angina pectoris, a troponin level may be normal, as may an ECG recording if the patient is pain free at the time.

Two articles in the Medical Journal of Australia published in the past three years have addressed the issues/problems surrounding ordering of the test in general practice 1, 2. In both articles the authors agree that there ...

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