Isolated T-wave inversion in the electrocardiogram of children

Isolated T-wave inversion in the pediatric precordial electrocardiogram was studied with respect to incidence and underlying mechanisms. Total precordial T-wave mean-potential distribution was explored in normal controls and in patients with a variety of congenital cardiac diseases. Simulated isolat...

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Veröffentlicht in:The American heart journal 1971-02, Vol.81 (2), p.158-165
Hauptverfasser: Awa, Shoichi, Linde, Leonard M., Oshima, Masahiro, Momma, Kazuo, Nakamura, Norimasa, Yanagisawa, Masayoshi, Yoshino, Kazuya
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Sprache:eng
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Zusammenfassung:Isolated T-wave inversion in the pediatric precordial electrocardiogram was studied with respect to incidence and underlying mechanisms. Total precordial T-wave mean-potential distribution was explored in normal controls and in patients with a variety of congenital cardiac diseases. Simulated isolated T-wave negativity, as described by Grant, was not found in the present study, nor were localized precordial negative T islands surrounded by positive T areas. An S-shaped null line, a dividing line between positive and negative fields for the T wave, was observed in all cases under study. Its configuration varied with age and enlargement of the heart, especially of the right ventricle. Abnormality in its configuration varied with age and enlargement of the heart, especially of the right ventricle. Abnormality in its configuration gave rise to the occurrence of isolated T-wave inversion. Deep inspiration brought about the positivization and apparent rightward shift of the T-wave potential map in every case at any horizontal level along the null line. It was confirmed that the maneuver by itself did not provide the basis for the presence of a circumscribed isolated negative T-wave area over the midprecordium.
ISSN:0002-8703
1097-6744
DOI:10.1016/0002-8703(71)90126-8