Tetralogy of fallot electrocardiogram

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editors-In-Chief: Fahimeh Shojaei, M.D., Priyamvada Singh, M.B.B.S. [2], Keri Shafer, M.D. [3];Kristin Feeney, B.S. [4]


An ECG may be helpful in the diagnosis of tetralogy of Fallot. Findings on an ECG suggestive of tetralogy of Fallot include right axis deviation, right ventricular hypertrophy, wide QRS, and right bundle branch block.


An ECG may be helpful in the diagnosis of tetralogy of Fallot. Findings on an ECG suggestive of tetralogy of Fallot include:

2008 ACC/AHA Guidelines for the Management of Adults With Congenital Heart Disease (DO NOT EDIT)[1]

Arrhythmias: Pacemaker/Electrophysiology Testing (DO NOT EDIT)[1]

Class I
"1. Annual surveillance with history, electrocardiogram (ECG), assessment of RV function, and periodic exercise testing is recommended for patients with pacemakers/automatic implantable cardioverter defibrillators. (Level of Evidence: C) "
Class IIa
"1. Periodic Holter monitoring can be beneficial as part of routine follow-up. The frequency should be individualized depending on the hemodynamics and clinical suspicion of arrhythmia. (Level of Evidence: C) "
Class IIb
"1. Electrophysiology testing in an ACHD center may be reasonable to define suspected arrhythmias in adults with tetralogy of Fallot. (Level of Evidence: C) "


  1. 1.0 1.1 Warnes CA, Williams RG, Bashore TM, Child JS, Connolly HM, Dearani JA; et al. (2008). "ACC/AHA 2008 guidelines for the management of adults with congenital heart disease: a report of the American College of Cardiology/American Heart Association Task Force on Practice Guidelines (Writing Committee to Develop Guidelines on the Management of Adults With Congenital Heart Disease). Developed in Collaboration With the American Society of Echocardiography, Heart Rhythm Society, International Society for Adult Congenital Heart Disease, Society for Cardiovascular Angiography and Interventions, and Society of Thoracic Surgeons". J Am Coll Cardiol. 52 (23): e1–121. doi:10.1016/j.jacc.2008.10.001. PMID 19038677.

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