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365 Possible Causes for Arrhythmias Detected Prenatally, Ventricular Repolarization Abnormalities

  • Long QT Syndrome 13

    Hsiao et al. [ 30 ] analyzed the outcomes of 123 fetuses with prenatally detected cardiac malformations and/or cardiac arrhythmias.[] RESULTS: Compared with the analysis of the healthy group (n 8), age- and sex-matched pair analysis revealed that the mutation carriers (n 8) had ventricular repolarization[] The ECG revealed a sinus rhythm with normal voltages, but with a QTc interval of 500 ms (calculated by Bazett's formula) and repolarization abnormalities with negative T waves[]

  • Incessant Infant Ventricular Tachycardia

    Supraventricular Tachycardia SVT is the most common serious arrhythmia detected prenatally. It accounts for about 6% of referrals, as shown in Table 2.[] Ventricular tachycardia may also occur in children with long QT-syndrome wich is a familial disease carachterized by prolonged and abnormal ventricular repolarization and[] They often are detected during routine auscultation at a prenatal visit.[]

  • Tachyarrhythmia

    Overall, these serious tachyarrhythmias comprise less than 10% of arrhythmias detected prenatally.[] The changes seen in electrocardiogram (ECG) consist of repolarization abnormalities such as ST elevation, ST depression, negative T waves, and QT prolongation.[] 8 (11) Repolarization abnormalities 32 (42) Conduction disease 2 (3) Left atrial enlargement 0 Left ventricular hypertrophy 1 (1) Use of antiarrhythmics within 30 d of initial[]

  • Holiday Heart Syndrome

    Although ventricular repolarization abnormalities on surface ECG were described, whether ventricular myocardium responds similarly to ethanol is uncertain.[]

    Missing: Arrhythmias Detected Prenatally
  • Cardiac Arrhythmia

    In cardiac patients, life-threatening tachyarrhythmia is often precipitated by abnormal changes in ventricular repolarization and refractoriness.[] Repolarization abnormalities in cardiomyocytes of dogs with chronic heart failure: role of sustained inward current.[] , lead to ventricular proarrhythmia and SCD.[]

    Missing: Arrhythmias Detected Prenatally
  • Hyperkalemia

    Electrocardiographic manifestations of hyperkalemia vary from the classic sine-wave rhythm, which occurs in severe hyperkalemia, to nonspecific repolarization abnormalities[] abnormalities : Peaked T waves (usually the earliest sign of hyperkalaemia) Serum potassium 6.5 mEq/L is associated with progressive paralysis of the atria : P wave widens[] The clinical significance of hyperkalaemia-associated repolarization abnormalities in end-stage renal disease. Nephrol Dial Transplant. 2013; 28: 99–105.[]

    Missing: Arrhythmias Detected Prenatally
  • Idiopathic Ventricular Fibrillation

    Abstract Recent data point to a high incidence of early repolarization abnormalities among patients with idiopathic ventricular fibrillation (IVF).[] In contrast, repolarization abnormality markers did not differ between the two groups.[] J waves may be more closely associated with depolarization abnormality and autonomic modulation than with repolarization abnormality.[]

    Missing: Arrhythmias Detected Prenatally
  • Early Repolarization Syndrome

    […] myocardium; T wave tells about the features of ventricular repolarization - abnormalities and are a symptom of the disorder.[] However, it is unclear whether J waves are more strongly associated with a depolarization abnormality rather than a repolarization abnormality.[] , or indeed due to early regional ventricular repolarization.[]

    Missing: Arrhythmias Detected Prenatally
  • Heart Failure

    (ii) The effects of drugs or electrolyte abnormalities must be considered as possible noncardiac causes of ECG abnormalities of ventricular repolarization; that is, those[]

    Missing: Arrhythmias Detected Prenatally
  • Cardiomyopathy

    Clinical diagnosis may be achieved by demonstrating functional and structural alterations of the right ventricle, depolarization and repolarization abnormalities, arrhythmias[] […] cardiomyopathy Syncope, atypical chest pain, initial episode of ventricular tachycardia, recurrent ventricular tachycardia ECG shows abnormal repolarization, small-amplitude[] ECG repolarization abnormalities Minor Inverted T waves in right precordial leads (V 2 and V 3 ) in people 12 years of age and in absence of right bundle branch block. 4.[]

    Missing: Arrhythmias Detected Prenatally

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