Butta et al identified changes in the electrocardiogram associated with prognosis for a patient with acute myocarditis. The authors are from University of Messina and Cardiocentro Ticono in Lugano.

Patient selection: acute myocarditis


ECG changes associated with a worse prognosis:

(1) pathological Q waves

(2) wide QRS complex

(3) QRS/T angle >= 100 degrees

(4) prolonged QT interval

(5) high degree atrioventricular block

(6) malignant ventricular tachyarrhythmia


ECG changes associated with a better prognosis:

(1) ST elevation with typical early repolarization pattern

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