Early ECG change in transmural MI – MCQ – Answer

Early ECG change in transmural MI – MCQ – Answer

Early ECG change in transmural myocardial infarction – Correct answer: b) ST elevation in the leads facing the infarct

ST Elevation Myocardial Infarction (STEMI) is usually due to total occlusion of a major coronary artery. Best form of initial treatment if primary angioplasty. If it is not logistically feasible, next best option is thrombolysis.

Q waves appear later on when there is transmural necrosis and myocardium in the region acts as an electrical window reflecting negative waves due to depolarization of the opposite viable wall of the ventricle.

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