Echo in tetralogy of fallot

Tetralogy of fallot Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Associate Editors-In-Chief:Cafer Zorkun, M.D., Ph.D. [2], Priyamvada Singh, MBBS

Tetralogy of Fallot

Tetralogy of fallot is a congenital heart disease comprised of four anatomic features stemming from the malalignment of the infundibular septum:

1. Right ventrifular outflow obstruction (pulmonic stenosis)
2. Ventricular Septal Defect
3. Overriding aorta
4. Right ventricular hypertrophy

• Clinically, it is a cyanotic heart defect and generally is diagnosed in infancy or early childhood.

Echo functions in Tetralogy of Fallot

• Characterization of defects
• Options for surgical intervention
• Post-operative repair function

Best evaluated by:

• parasternal long-axis view
• short-axis view (to evaluate size of septal defect)

• 

Post surgical evaluation should include:

• Evaluation of VSD repair
• Residual shunting
• Right ventricular size and contractility
• Right ventricular outflow tract for residual stenosis
• Severity of pulmonary regurgitation

Additional Resource

Yale University School of Medicine Congenital Heart Disease: Tetralogy of Fallot

External Links

• Yale Congenital Heart Disease - Tetralogy of Fallot
• Adult Congenital Heart Disease

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