Tetralogy of Fallot

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Heart, section through the middle Tetralogy of Fallot Cyanotic 'Tet spell'

Overview Symptoms Treatment Prevention

Tetralogy of Fallot

• Difficult feeding (poor feeding habits)
• Failure to gain weight
• Poor development
• Cyanosis which becomes more pronounced during periods of agitation
• Passing out
• Sudden death
• Clubbing of fingers (skin or bone enlargement around the finger nails)
• Squatting during episodes of cyanosis

A physical examination with a stethoscope almost always reveals a heart murmur.

Tests:

• EKG (elctrocardiogram) showing the thickening of the right ventricle muscle
• CBC showing increased red blood cells
• Chest x-ray showing a "boot shaped" heart and dark lungs
• Cardiac catheterization
• Echocardiogram for the definitive diagnosis

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