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BIBTEX RIS

The electrocardiogram in tetralogy of Fallot: A study of 142 cases

1960; Elsevier BV; Volume: 59; Issue: 5 Linguagem: Inglês

10.1016/0002-8703(60)90509-3

1097-6744

Fúlvio Pileggi, José Bocanegra, João Tranchesi, R Macrúz, Silvio Borges, O Portugal, Manuel G. Villarinho, Ennio Barbato, Luiz V. Décourt,

Cardiac Arrhythmias and Treatments

One hundred and forty-two cases of tetralogy of Fallot were studied from both the scalar and the vectorial electrocardiographic points of view. We have concluded that in the majority of the cases of this congenital heart disease the ECG shows a uniform behavior which relates to the hemodynamic picture. We have established the criteria for the diagnosis of the left ventricular enlargement which may eventually co-exist, indicating a predominant left-to-right shunt through the interventricular septal defect (atypical Fallot). Finally, we have emphasized the presence of qR patterns in the right precordial leads in cases of TF associated with marked cardiomegaly and evident enlargement of the right auricle.