Key result
Recognizing South Africa Flag ECG patterns guides prompt PCI consideration for acute OMI in Kounis syndrome.
Why the study?
The traditional STEMI/NSTEMI paradigm is shifting toward an occlusion myocardial infarction model to better identify patients without classic ST-segment elevation who still have myocardium at risk from coronary artery occlusion and benefit from timely percutaneous coronary intervention.
Case Report (n=1)
Highlights the clinical importance of recognizing the 'South Africa Flag' ECG sign as an indicator of acute occlusion myocardial infarction requiring timely (<2-hour) percutaneous coronary intervention, potentially triggered by Kounis syndrome.
Answers are grounded in this paper and cite their sources.
Supports heightened ECG vigilance in allergic presentations; hypothesis-generating for South Africa flag sign in Kounis syndrome-associated occlusion MI.
The paradigm of STEMI/NSTEMI (ST segment Elevation Myocardial Infarction/Non-ST segment Myocardial Infarction) is being supplanted by the new OMI (Occlusion Myocardial Infarction) ideology to better capture those patients who do not present with classic ST segment elevation on initial and even subsequent electrocardiograms (ECGs) but still represent patients with myocardium at risk from coronary artery occlusion and would benefit from timely, less than 2-hour, percutaneous coronary intervention. The first needle in the haystack from this case report was the prompt recognition of evolving "South Africa Flag" ECG changes of OMI in the setting of possible allergic reaction and its subsequent treatment, also known as Kounis syndrome, which represents the second possible but unconfirmed needle.
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Andrew W. Bowman (2026) conducted a case report in Acute Occlusion Myocardial Infarction (OMI) presenting with South Africa Flag sign and possible Kounis syndrome (n=1). Recognition of South Africa Flag ECG sign and subsequent treatment was evaluated. Prompt recognition of evolving South Africa Flag ECG changes identified acute occlusion myocardial infarction in 1 patient with possible Kounis syndrome, guiding timely (<2-hour) PCI consideration.
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