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  • Title: [Post-ischemic inversion of the T wave].
    Author: Delise P, Piccolo E, D'Este D, Cazzin R, Bonso A, Ciriello A, Millosevich P, Minzi AL.
    Journal: G Ital Cardiol; 1985 Sep; 15(9):848-55. PubMed ID: 4085730.
    Abstract:
    The significance of new T wave inversion (so called post-ischemic T wave inversion) in the basal electrocardiogram of patients suffering from unstable angina is still controversial. Some AA suggest that the patients who develop this ecg pattern represent a subgroup with poor prognosis, particularly when to deep negative T waves (greater than 3 mm) a long QT interval is associated (giant negative T waves). On the contrary other AA suggest that there is not a different prognosis between patients which develop and which do not develop post-ischemic T waves (post-I T waves). We studied 113 patients with unstable angina: 95 patients were reviewed retrospectively (group I), 18 patients were studied perspectively (group II). In group I 63/95 developed post-I T waves (49 in anterior, 9 in inferior and 5 in both anterior and inferior leads) while 32/95 did not develop post-ischemic T waves. In group II all 18 patients developed post-ischemic T waves according to the characteristics of giant negative T waves. Follow up periods were 62 +/- 36 months in group I and 11 +/- 7 months in group II. In 61 cases (45 of group I and 16 of group II) the electrocardiogram was registered during anginal pain. ST increase and/or pseudonormalization of T wave from negative to positive, indicating transmural ischemia, was observed in 59% of patients with post-ischemic T waves vs 30% of pts without post-ischemic T waves (p less than 0.05).(ABSTRACT TRUNCATED AT 250 WORDS)
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