Research Letter |

The Diagnostic Yield of Cardiac Catheterization in Low-Risk Troponinemia

Benjamin Stripe, MD1; Stephen Rechenmacher, MD1; Daniel Jurewitz, MD2; Cody Lee, BS5; Saul Schaefer, MD3,4
[+] Author Affiliations
1Department of Internal Medicine, University of California, Davis (UC Davis)
2Division of Cardiovascular Medicine, Department of Internal Medicine, UC Davis
3Division of Cardiovascular Medicine and Cardiology Section, Department of Internal Medicine, UC Davis
4Department of Veteran Affairs, VA Northern California Health Care System, Mather
5medical student at UC Davis School of Medicine
JAMA Intern Med. 2013;173(22):2088-2090. doi:10.1001/jamainternmed.2013.11109.
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Serum cardiac troponin I (cTnI) is a sensitive indicator of myocardial necrosis.1 However, many disease states can result in an elevated cTnI level without clinical evidence of myocardial infarction,2 resulting in possible misdiagnosis of epicardial coronary artery disease (CAD).3 In the present study, we investigated the prevalence of CAD and associated patient characteristics in patients with mildly elevated cTnI levels without clinical evidence of acute coronary syndrome.

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