Myocardial Infarction with Nonobstructive Coronary Arteries: A Diagnostic Challenge

Abstract Myocardial infarction with nonobstructive coronary arteries (MINOCA) is a significant cause of cardiovascular morbidity, especially among non-white women younger than 55 years. It is a working diagnosis that warrants further investigation due to its varied underlying pathophysiologic mechan...

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Bibliographic Details
Published in:TH open : companion journal to thrombosis and haemostasis 2021-04, Vol.5 (2), p.e195-e199
Main Author: Asamoah, Kofi Tekyi
Format: Article
Language:English
Subjects:
atrial fibrillation
cardioembolism
Case Report
chest pain
myocardial infarction
myocardial infarction with nonobstructive coronary arteries
time in therapeutic range
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Summary:Abstract Myocardial infarction with nonobstructive coronary arteries (MINOCA) is a significant cause of cardiovascular morbidity, especially among non-white women younger than 55 years. It is a working diagnosis that warrants further investigation due to its varied underlying pathophysiologic mechanisms. Investigations may be hampered by unavailability of testing modalities, cost, and the expertise to carry out the tests, as they are highly specialized. Clinical history is therefore important, especially in developing countries, to predict potential causes and institute empirical treatment without the luxury of tests. Some physicians are also unaware of this phenomenon and may dismiss symptoms as functional when a coronary angiogram shows nonobstructed coronary arteries, potentially resulting in patients suffering symptoms for longer and incurring extra cost. Most importantly, it leaves them at risk of major adverse cardiovascular events. This article presents a patient with atrial fibrillation who was diagnosed with MINOCA and highlights the diagnostic challenges in evaluating MINOCA.
ISSN:2512-9465
2567-3459
2512-9465
DOI:10.1055/s-0041-1728791