Definition: Electrocardiographic measurement used to identify presence of acute myocardial infarction in the setting of a left bundle branch score or a ventricularly paced rhythm. 1. Concordant ST segment elevation =1mm (in a lead with a positive QRS complex) = 5 points, 2. Concordant ST segment depression =1 mm (in lead V1, V2 or V3 with a negative QRS complex) = 3 points, 3. Discordant ST elevation =5 mm (in a lead with a negative QRS complex) = 2 points. A combined score of =3 points had 90% specificity, but only 36% sensitivity for detecting acute myocardial infarction on electrocardiography.
Synonym(s): Sgarbossa criteria
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