23- ST segment elevation Acute Coronary Syndrome I. Etiology, pathomechanism, diagnosis.

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Last updated 7:06 AM on 4/8/26
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10 Terms

1
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what is a STEMI

  • transmural infarction → due to complete occlusion of coronary artery

  • 30-50% pts die before hospitalisation due to V fib

2
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what is the pathomechanism of STEMI

  • plaque formation → rupture of fibrous cap → exposure of highly thrombogenic lipid code → thrombus formation → coronary artery occlusion

  • complete occlusion of coronary a → impaired myocarial blood flow → sudden death of myocardial cells

3
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what is enough to make a diagnosis

  • typical chest pain

  • typical ECG with acute STEMI

4
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what is the typical ECG finding in STEMI

  • ST elevation

  • or left or right BBB

5
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what is the ECG localisation of lateral STEMI

  • I, aVL
  • V6
6
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what is the ECG localisation of inferior STEMI

  • II, III, aVF
7
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what is the ECG localisation of septal STEMI

  • V1, V2
8
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what is the ECG localisation of anteriorSTEMI

  • V3, 4
9
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what is the ECG localisation of anterolateral/ extensive anterior STEMI

  • I, aVL
  • V1-6
10
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what is the ECG localisation of inferior + RV STEMI

  • II, III, aVF
  • V3,