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4 Possible Causes for Prominent U-Waves in Anterior Leads

  • Long QT Syndrome

    An interesting electrocardiographic finding was the presence of a prominent U wave, primarily in the anterior precordial leads, in a significant number of affected individuals[ncbi.nlm.nih.gov] A prominent U wave was identified in 13 of 17 probands (76%) and 17 of 36 gene carriers (47%).[ncbi.nlm.nih.gov]

  • Ventricular Arrhythmia

    An interesting electrocardiographic finding was the presence of a prominent U wave, primarily in the anterior precordial leads, in a significant number of affected individuals[dx.doi.org] A prominent U wave was identified in 13 of 17 probands (76%) and 17 of 36 gene carriers (47%).[dx.doi.org]

  • Catecholaminergic Polymorphic Ventricular Tachycardia 4

    1. Mirowski M, Reid PR, Mower MM, et al. Termination of malignant ventricular arrhythmias with an implanted automatic defibrillator in human beings. N Engl J Med. 1980;303(6):322-4. 2. [Guideline] Epstein AE, DiMarco JP, Ellenbogen KA, et al. ACC/AHA/HRS 2008 Guidelines for Device-Based Therapy of Cardiac Rhythm[…][graduo.ro]

  • Left Posterior Fascicular Block

    . _ Acute causes — pleural and/or pericardial effusions • Are prominent U waves evident? _ Usually suggests digitalis or hypokalemia.[nps.freeservers.com] Right chest (or anterior) leads — V 1 , V 2 ; also aV R. Septal leads — V 1 to V 3 — located over interventricular septum.[nps.freeservers.com]

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