[Action of oxyfedrine on the atrioventricular condutionn system studied using the bundle-of-His electrogram].
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Biomedical subjects
Publications and source records attributed to J Barbosa.
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The authors report a case of a large ventricular septal defect with pulmonary hypertension, cardiomegaly and heart failure in early infancy, exhibiting marked improvement at five years of age. Subsequent followup, revealed spontaneous closure of the defect demonstrated by hemodynamic studies between 7 and 8 years of age, at which time the patient became completely asymptomatic with disappearance of all abnormal physical findings.
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