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USC ECG Learning Center » ECG Glossary
瀏覽：1208
日期：2026-04-20
Abnormal Q waves Duration >30ms for most leads (>40ms in leads III, aVL, aVF, and V1) Indicates necrosis ST segment elevation (acute myocardial injury) >1-2mm elevation in two more more contiguous leads Usually upwardly convex Can last 48 hours to 4 weeks...看更多
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