Tetralogy of Fallot

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by htstudent4
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Tetralogy of Fallot

Tetralogy of Fallot is a rare condition caused by a combination of four heart defects that are present at birth.These defects cause oxygen-poor blood to flow out of the heart and to the rest of the body. Infants and children with tetralogy of Fallot usually have blue-tinged skin because their blood doesn't carry enough oxygen.

On an EKG patients with TOF will show increased right ventricular forces shown by tall R waves in V1. You will also notice that right atrial enlargement is seen by prominent P waves in V1. Right ventricular hypertrophy is demonstrated by a rightward deviated axis.

TOF is repaired with open heart surgery, soon after birth or later in infancy. The goal of surgery is to repair the four defects of TOF so the heart can function as normally as possible. Repairing the defects can improve a child's health and quality of life.

Disea e


What is it?


Tetralogy of Fallot

Symptoms vary depending on the severity of the obstrustion of blood flow.- Cyanosis -Shortness of breath and rapid breathing, especially during eating and exercise-Fainting-Clubbing of fingers and toes -Poor weight gain-Easily fatigued-Irritablity -Prolonged crying- A heart murmur

Ventricular septal defect- A defect due to an abnormal conncetion between the ventricles. Pulmonary Stenosis- Fixed obstruction of flow from the right ventricle of the heart to the pulmonary artery. Right Ventricular Hypertrophy- The thickening of the ventricular walls.Overriding Aorta- Congenital heart defect where the aorta is positioned directly over a ventricular septal defect, instead of over the left ventricle.

Signs & Symptoms

Four Defects

EKG Changes

Even though it's serious, TOF is surgically treatable, and the long-term outlook for most children is excellent.

Glog by: Hailey Mills & Jennifer Morgan


BibliographyTetralogy of Fallot. (n.d.). Retrieved December 18, 2015, from http://www.mayoclinic.org/diseases-conditions/tetralogy-of-fallot/basics/definition/con-20043262 Health Topics. (n.d.). Retrieved December 18, 2015, from http://www.cincinnatichildrens.org/health/t/tof/ Tetralogy of Fallot. (n.d.). Retrieved December 18, 2015, from http://www.heart.org/HEARTORG/Conditions/CongenitalHeartDefects/AboutCongenitalHeartDefects/Tetralogy-of-Fallot_UCM_307038_Article.jsp# Tetralogy of Fallot (TOF). (n.d.). Retrieved December 18, 2015, from http://www.sts.org/patient-information/what-pediatric-heart-disease/tetralogy-fallot-tof


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