Early diagnosis of infantile Danon disease complicated by tetralogy of Fallot.

The article presents a case study of a 23-year-old woman with no significant medical history was diagnosed with Wolff–Parkinson–White (WPW) syndrome during pregnancy and her fetus was diagnosed with tetralogy of Fallot (TOF). Topics include the electrocardiogram has showed right axis deviation and short PR interval with a narrow QRS complex, the transthoracic echocardiogram has showed a ventricular septal defect, and the medications were not required during the neonatal period.