Use and interpretation of cardiac troponins in the ED

Shih Hung Tsai, Shi Jye Chu, Ching Wang Hsu, Shu Meng Cheng, Shih Ping Yang

Research output: Contribution to journalReview articlepeer-review

17 Citations (Scopus)


Cardiac troponins (cTn) are frequently assessed in patients presenting at the emergency department (ED) with chest pain and various diseases in which myocardial injury may be involved. Cardiac troponins are no longer only used for diagnostic investigations in acute coronary syndrome but may also provide valuable information regarding screening, prognosis, and risk stratification and help to guide therapeutic planning and ED dispositioning of patients with many different types of critical illnesses. Elevation of cTn is usually related to myocardial damage but is not synonymous with acute coronary syndrome. Other etiologies should be considered in the differential diagnosis of a patient presenting with atypical symptoms and elevated cTn, as accurate diagnosis will affect both the initial treatment as well as the initial triage. A thorough knowledge of how to interpret the implications of elevated cTn will allow ED physicians to expand their list of differential diagnoses, facilitate risk stratification and ED disposition, and avoid potential iatrogenic complications resulting from inappropriate interventional therapies.

Original languageEnglish
Pages (from-to)331-341
Number of pages11
JournalAmerican Journal of Emergency Medicine
Issue number3
Publication statusPublished - Mar 2008
Externally publishedYes

ASJC Scopus subject areas

  • Emergency Medicine


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