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| == [[T wave]] ==
| | #REDIRECT[[ECG (main)]] |
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| == [[Q wave]] ==
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| == ST Segment Depression ==
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| == ST Segment Elevation ==
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| == Reciprocal Changes ==
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| #Anterior STEMI | |
| #*Reciprocal ST-segment depression in at least one of leads II, III, aVF
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| #*Occurs in 40-70% of cases
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| #Inferior STEMI
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| #*Reciprocal ST-segment depression usually present in I, aVL; often in V1-V3
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| #*Occurs in 56% of cases
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| #Posterior STEMI
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| #*Reciprocal ST-segment depression in V1-V4
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| #**Differentiate from inf STEMI reciprocal depression based on upright T waves, posterior leads showing STEMI
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| #*Often associated w/ ST-segment elevation in II, III, aVF (inferior involvement)
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| == See Also ==
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| *[[ACS - Anatomical Correlation]]
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| *[[ACS - Risk Stratification]]
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| *[[ECG (Main)]]
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| == Source ==
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| *Electrocardiography in Emergency Medicine. ACEP Textbook.
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| [[Category:Cards]]
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