ECG CASE

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The correct answer is: Benign early repolarisation Pericarditis can be difficult to differentiate from BER as both conditions are associated with concave ST elevation. One useful trick to distinguish between these two entities is to look at the ST segment / T wave ratio:
  • The vertical height of the ST segment elevation (from the end of the PR segment to the J point) is measured and compared to the amplitude of the T wave in V6.
  • A ratio of > 0.25 suggests pericarditis
  • A ratio of < 0.25 suggests BER
The correct answer is: ST elevation I II III AVF V4 V5 V6 . PR depression I, II, III, aVF, V4 V5 V6 . • ST depression V1 and aVR . PR elevation in V1 and aVR. This is Pericarditis. Typical findings include:
  • Widespread concave ST elevation and PR depression throughout most of the limb leads (I, II, III, aVL, aVF) and precordial leads (V2-6).
  • Reciprocal ST depression and PR elevation in lead aVR (± V1).
  • Sinus tachycardia is also common in acute pericarditis due to pain and/or pericardial effusion.
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d. ANSWER: B Type 1 (Coved ST segment elevation >2mm in >1 of V1-V3 followed by a negative T wave) is the only ECG abnormality that is potentially diagnostic

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