CHORUS

Collaborative Hypertext of Radiology

Cardiovascular system

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tetralogy of Fallot

• 8% of all congenital heart disease
• most common CHD with cyanosis after 1 year of life

1. obstruction of RV outflow tract; usually at the pulmonary infundibulum, occasionally at pulmonary valve
2. VSD
3. RV hypertrophy
4. aorta overriding the interventricular septum

associated with:

• bicuspid pulmonary valve (40%)
• stenosis of left pulmonary artery (40%)
• right-sided aortic arch (25%)
• TE fistula
• Down syndrome
• anomalies of coronary arteries (10%)
• forked ribs, scoliosis

Related CHORUS documents: right ventricular hypertrophy congenital heart disease right aortic arch transposition of the great vessels pulmonary hypertension truncus arteriosus