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.
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