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Tetrology of Fallot

Patient Information

Age
4 Years
Species
Feline

Images

Images 1 & 2: Lateral and ventral-dorsal thoracic radiographs demonstrating generalized cardiomegaly with a pronounced cranial waist/right heart. Pronounced pulmonary arteries are noted.
Right sided 5-chamber long axis view of this feline heart evidencing the ventricular septal defect, overriding aorta, and right ventricular hypertrophy.
Color flow Doppler demonstrating turbulent left to right flow from the aortic outflow into the right ventricle by means of a membranous ventricular septal defect.

History

4-year-old DSH Feline presented for anorexia. The clinical exam revealed a 4/6 systolic heart murmur. An echocardiogram was performed discovering Tetrology of Fallot; pulmonic stenosis, ventricular septal defect, right ventricular hypertrophy, overriding aorta. Unfortunately further analysis revealed Feline Infectious Peritonitis and the patient was eventually euthanized.

Videos

Live right sided 5-chamber long axis view demonstrating the 3 defects with intermittent color flow Doppler. Pulmonic stenosis not visible in these views.