Which statement about the standardised 'Heart Attack of Specified Severity' definition is correct?
Heart Attack of Specified Severity requires death of heart muscle due to ischaemia evidenced by at least three of the listed criteria (typical chest pain, new ECG changes, elevated cardiac biomarkers, and imaging evidence). Angina, heart attack of indeterminate age, and biomarker rises following an intra-arterial cardiac procedure are excluded.
No single sign (chest pain, or a post-angioplasty biomarker rise) satisfies the definition — at least three criteria are needed, and angina/indeterminate-age events are excluded.
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