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77 Possible Causes for Notched T Wave

  • Quinidine

    Congenital long QT syndrome type 2 (abnormal hERG potassium channel) patients can develop flat, asymmetric, and notched T waves.[ncbi.nlm.nih.gov] When epicardial repolarization precedes repolarization of the cells in the M and endocardial regions, the T wave remains positive.[af-ablation.org] The result is a saddleback configuration of the repolarization waves Further accentuation of the notch may be accompanied by a prolongation of the epicardial AP such that[af-ablation.org]

  • Torsades De Pointes

    TdP patients showed a higher prevalence of notched T waves in which T2 was at least 3 mm taller than T1 (45.0% vs 1.3%, P .001), triphasic T waves (30.0% vs 1.3%, P .001),[ncbi.nlm.nih.gov] A physiological U wave should be distinguished from a notched or bifid T wave.[thecardiologyadvisor.com] […] patients had a significantly longer mean QT interval (716.4 98.9 ms vs 523.2 91.3 ms, P .001), mean T peak to end interval (334.2 59.1 ms vs 144.0 73.7 ms, P .001) and a higher T[ncbi.nlm.nih.gov]

  • Alcoholic Cardiomyopathy

    Owing to its acute psychotropic effects, ethanol is the most frequently consumed toxic agent worldwide. However, excessive alcohol intake results in an array of health, social, and economic consequences, which are related to its property as an addictive substance. It has been well established that exposure to high[…][ncbi.nlm.nih.gov]

  • Dofetilide

    Congenital long QT syndrome type 2 (abnormal hERG potassium channel) patients can develop flat, asymmetric, and notched T waves.[ncbi.nlm.nih.gov]

  • Sudden Cardiac Death

    And if his sister has a more notched t-wave, then she is at more risk.”[newscientist.com] Those with the genetic mutation most likely to develop SADS possess distinctive bumps, or notched T-waves, in their ECG readouts.[time.com] LQTS2 patients tend to have notched or low-amplitude T-waves. They classically have syncope or SD with sudden auditory stimuli or strong emotions.[jbiomedsci.biomedcentral.com]

  • Congenital Heart Disease

    Although the role of pediatric palliative care (PPC) is well described in oncology, neonatal, and pediatric intensive care patients, the involvement of PPC in patients with congenital heart disease (CHD) is not well explored. CHD is a leading cause of neonatal morbidity and can cause ongoing morbidity throughout the[…][ncbi.nlm.nih.gov]

  • Mexiletine

    A mutation in HERG associated with notched T waves in long QT syndrome. J Mol Cell Cardiol . 1996 ; 28 :1609-1615.[ahajournals.org]

  • Phenothiazine

    An 11-year-old boy presented to the pediatric ED with signs and symptoms of Bell's palsy, which was believed to be a result of otitis media. He subsequently began to list to the left and could not walk erect. Because of a history of prochlorperazine use for vomiting, a diagnosis of a dystonic reaction to a[…][ncbi.nlm.nih.gov]

  • Bjornstad Syndrome

    Specifically, U-wave inclusion resulting in QT inflation was the primary mistake. 6 On the other hand, there are subtle T-wave changes, particularly notched T waves in limb[academic.oup.com] Figure 1 ( A ) Example of T-wave alternans from a 2-year-old LQTS patient with multiple episodes of cardiac arrest. ( B ) Example of notched T waves from a 37-year-old man[academic.oup.com] […] alternans 1 E Notched T-wave in three leads 1 F Low heart rate for age d 0.5 Clinical history A Syncope c With stress 2 Without stress 1 B Congenital deafness 0.5 Family[academic.oup.com]

  • Long QT Syndrome

    A physiological U wave should be distinguished from a notched or bifid T wave.[thecardiologyadvisor.com] T-waves.[the-hospitalist.org] wave alternans - 1 point Notched T wave in at least 3 leads - 1 point Low heart rate for age (children) - 0.5 points Syncope (one cannot receive points both for syncope and[en.wikipedia.org]

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