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Table 2 Cardiac defects diagnosed by MDCT in TOF patients

From: The role of MDCT in the assessment of cardiac and extra-cardiac vascular defects among Egyptian children with tetralogy of Fallot and its surgical implementation

Site of defect Type of defect Number (%)
Right atrium Dilated 24 (40%)
Normal 36 (60%)
Right ventricle Hypertrophy 56 (93.3%)
Normal 4 (6.7%)
Left atrium Dilated 0 (0.0%)
Normal 60 (100%)
Left ventricle Hypertrophy 2 (3.3%)
Normal 58 (96.7%)
Pulmonary valve Valvular stenosis 42 (70%)
Supravalvular stenosis 4 (6.7%)
Sub valvular stenosis 14 (23.3%)
Aortic valve Bicuspid 2 (3.3%)
Normal 58 (96.7%)
Atrial septal defect Present 12 (20%)
No 48 (80%)
Ventricular septal defect Site Subaortic 30 (50%)
No 30 (50%)
Type Membranous 40 (66.7%)
Muscular 20 (33.3%)