抄録
A case of 17-year-old negro highschool basketball player with serum hepatitis and labile T waves was reported with the pertinent clinical history, the laboratory data and the results of various procedures on an electrocardiogram.
The sharply inverted precordial T waves were temporary or labile, and the T waves were upright and normal in configuration after overnight fasting. Intravenous glucose was able to reduplicate their original T wave abnormality. The downward T waves, induced by the glucose, again became normal after intravenous administration of potassium. The inverted T waves were reverted immediately to normal on taking a single deep inspiration. In differentiating physiologic and organic T wave changes, it might be helpful to obtain an electrocardiogram on fasting state whenever a subject has a questionable T wave abnormality. It is felt that the abnormal appearance of T wave should not be the sole basis for diagnosing heart disease, but it should be correlated with careful clinical history, physical examination and pertinent laboratory data.
References on the juvenile pattern of electrocardiogram and the factors influencing on T wave were reviewed.
