Veterinary Clinical Medicine-I (General and Systemic)

TETROLOGY OF FALLOT

• Most common defect that produces cyanosis.
• The observed abnormalities includes
• Pulmonic stenosis,
• High ventricular septal defect,
• Right ventricular hypertrophy, and
• Overriding aorta.
• Clinical signs includes stunted growth, exercise intolerance, cyanosis, collapse, seizures. Usually occurs with murmur (pulmonic stenosis).
• Management comprsises of β blockers and controlling polycythemia. Surgical correction is rarely performed. Prognosis is guarded.