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2026, Vol: 10, Issue: 7
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Review Article
Online Published: 16 Apr 2025
 


Diagnostic accuracy of Non ST elevation myocardial infarction in the emergency department using cardiac troponin level

Mazi Mohammed Alanazi, Abdullah Saleh Basfar, Raghad Adnan Alghazzawi, Ohoud Abdullah Almutairi, Rawan Hamdi Bedaiwi, Seba Khaled Almotlaq, Abdulmalik Mohammed Almeshawah.


Abstract
Chest pain is the second most common reason people visit the emergency room. One of the main goals of the emergency room examination is to rule out myocardial infarction when a patient presents with chest pain or other comparable anginal symptoms. The present review aimed to provide an evidence-based assessment of troponin’s usefulness in diagnosing non-ST-elevation myocardial infarction (NSTEMI) in emergency rooms. The preferred reporting items for systematic reviews and meta-analyses guidelines were followed in conducting this investigation. The CINAHL, Embase, Cochrane, and PubMed databases were considered for this review. We included studies published between 2010 and 2024 that involved adult patients suspected of having NSTEMI and admitted to emergency departments. Hospitalized patients with chest pain may have elevated cardiac troponin (cTn) levels in the absence of acute coronary syndrome (ACS). Because elevated troponin levels alone may necessitate an expensive workup and increased utilization of hospital resources, they should not be solely relied upon to diagnose ACS. A 0- and 3-hour serial ms-cTnI sampling approach is not less effective than an NSTEMI rule-out strategy employing a combined Us-Cop and ms-cTnI sampling method. Patients who have been ruled out for NSTEMI may thus be discharged early.
The hsTnI or cardiac troponin I (cTnI) levels of a patient 3 hours after arrival may aid in the early exclusion of acute myocardial infarction (AMI). Additionally, a sequential change in hsTnI or cTnI levels from admission to 3 hours post-admission may facilitate the early identification of AMI.

Key words: Diagnostic accuracy, Non ST elevation myocarditis infarction, emergency department, cardiac troponin


 
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How to Cite this Article
Pubmed Style

Alanazi MM, Basfar AS, Alghazzawi RA, Almutairi OA, Bedaiwi RH, Almotlaq SK, Almeshawah AM. Diagnostic accuracy of Non ST elevation myocardial infarction in the emergency department using cardiac troponin level. IJMDC. 2025; 9(4): 974-979. doi:10.24911/IJMDC.51-1739340072

Web Style

Alanazi MM, Basfar AS, Alghazzawi RA, Almutairi OA, Bedaiwi RH, Almotlaq SK, Almeshawah AM. Diagnostic accuracy of Non ST elevation myocardial infarction in the emergency department using cardiac troponin level. https://www.ijmdc.com/?mno=242417 [Access: June 27, 2026]. doi:10.24911/IJMDC.51-1739340072

AMA (American Medical Association) Style

Alanazi MM, Basfar AS, Alghazzawi RA, Almutairi OA, Bedaiwi RH, Almotlaq SK, Almeshawah AM. Diagnostic accuracy of Non ST elevation myocardial infarction in the emergency department using cardiac troponin level. IJMDC. 2025; 9(4): 974-979. doi:10.24911/IJMDC.51-1739340072


Vancouver/ICMJE Style

Alanazi MM, Basfar AS, Alghazzawi RA, Almutairi OA, Bedaiwi RH, Almotlaq SK, Almeshawah AM. Diagnostic accuracy of Non ST elevation myocardial infarction in the emergency department using cardiac troponin level. IJMDC. (2025), [cited June 27, 2026]; 9(4): 974-979. doi:10.24911/IJMDC.51-1739340072


Harvard Style

Alanazi, M. M., Basfar, . A. S., Alghazzawi, . R. A., Almutairi, . O. A., Bedaiwi, . R. H., Almotlaq, . S. K. & Almeshawah, . A. M. (2025) Diagnostic accuracy of Non ST elevation myocardial infarction in the emergency department using cardiac troponin level. IJMDC, 9 (4), 974-979. doi:10.24911/IJMDC.51-1739340072


Turabian Style

Alanazi, Mazi Mohammed, Abdullah Saleh Basfar, Raghad Adnan Alghazzawi, Ohoud Abdullah Almutairi, Rawan Hamdi Bedaiwi, Seba Khaled Almotlaq, and Abdulmalik Mohammed Almeshawah. 2025. Diagnostic accuracy of Non ST elevation myocardial infarction in the emergency department using cardiac troponin level. International Journal of Medicine in Developing Countries, 9 (4), 974-979. doi:10.24911/IJMDC.51-1739340072


Chicago Style

Alanazi, Mazi Mohammed, Abdullah Saleh Basfar, Raghad Adnan Alghazzawi, Ohoud Abdullah Almutairi, Rawan Hamdi Bedaiwi, Seba Khaled Almotlaq, and Abdulmalik Mohammed Almeshawah. "Diagnostic accuracy of Non ST elevation myocardial infarction in the emergency department using cardiac troponin level." International Journal of Medicine in Developing Countries 9 (2025), 974-979. doi:10.24911/IJMDC.51-1739340072


MLA (The Modern Language Association) Style

Alanazi, Mazi Mohammed, Abdullah Saleh Basfar, Raghad Adnan Alghazzawi, Ohoud Abdullah Almutairi, Rawan Hamdi Bedaiwi, Seba Khaled Almotlaq, and Abdulmalik Mohammed Almeshawah. "Diagnostic accuracy of Non ST elevation myocardial infarction in the emergency department using cardiac troponin level." International Journal of Medicine in Developing Countries 9.4 (2025), 974-979. Print. doi:10.24911/IJMDC.51-1739340072


APA (American Psychological Association) Style

Alanazi, M. M., Basfar, . A. S., Alghazzawi, . R. A., Almutairi, . O. A., Bedaiwi, . R. H., Almotlaq, . S. K. & Almeshawah, . A. M. (2025) Diagnostic accuracy of Non ST elevation myocardial infarction in the emergency department using cardiac troponin level. International Journal of Medicine in Developing Countries, 9 (4), 974-979. doi:10.24911/IJMDC.51-1739340072




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