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617 Possible Causes for Arrhythmias Detected Prenatally, Left Axis Deviation, Ventricular Repolarization Abnormalities

  • Hyperkalemia

    Left axis deviation. Absent P waves. Example 6 Hyperkalaemia: Sine wave appearance with severe hyperkalaemia (K 9.9 mEq/L). Example 7 Hyperkalaemia: Huge peaked T waves.[lifeinthefastlane.com] Electrocardiographic manifestations of hyperkalemia vary from the classic sine-wave rhythm, which occurs in severe hyperkalemia, to nonspecific repolarization abnormalities[ncbi.nlm.nih.gov] The clinical significance of hyperkalaemia-associated repolarization abnormalities in end-stage renal disease. Nephrol Dial Transplant. 2013; 28: 99–105.[nephrologynews.com]

    Missing: Arrhythmias Detected Prenatally
  • Heart Failure

    Electrocardiography demonstrated poor R-wave progression in leads V1-V3 with right axis deviation and low voltage criteria.[ncbi.nlm.nih.gov] (ii) The effects of drugs or electrolyte abnormalities must be considered as possible noncardiac causes of ECG abnormalities of ventricular repolarization; that is, those[ssa.gov] Echocardiography revealed diffuse left ventricular hypertrophy with normal ventricular cavity size, severe diastolic dysfunction, and sparkling and granular texture of the[ncbi.nlm.nih.gov]

    Missing: Arrhythmias Detected Prenatally
  • Hypertrophic Cardiomyopathy

    ECG: Findings also may include right or left axis deviation, conduction abnormalities, sinus bradycardia with ectopic atrial rhythm and atrial enlargement.[patient.info] The electrocardiogram is abnormal in over 95% of cases; the most common abnormalities include high precordial QRS voltages, secondary repolarization abnormalities (ST segment[radiopaedia.org] abnormalities 42 (61%) 4 (21%) 0.91 LBBB 1 (1%) 0 (0%) NA RBBB 4 (6%) 0 (0%) NA LAH 4 (6%) 0 (0%) NA Normal ECG 13 (19%)* 13 (68%) 0.01 Table 2.[doi.org]

    Missing: Arrhythmias Detected Prenatally
  • Incessant Infant Ventricular Tachycardia

    The most common electrocardiographic (ECG) pattern (10 of 21) was right bundle branch block with left axis deviation, but other right and left bundle branch block patterns[ncbi.nlm.nih.gov] Supraventricular Tachycardia SVT is the most common serious arrhythmia detected prenatally. It accounts for about 6% of referrals, as shown in Table 2.[glowm.com] Ventricular tachycardia may also occur in children with long QT-syndrome wich is a familial disease carachterized by prolonged and abnormal ventricular repolarization and[af-ablation.org]

  • Left Ventricular Hypertrophy

    Left axis deviation.[lifeinthefastlane.com] The myocardial remodeling underlying the LVH can affect ventricular repolarization causing abnormalities in QT interval.[ncbi.nlm.nih.gov] These are the cardinal findings with strain patterns (or repolarization abnormalities) secondary to left ventricular hypertrophy.[ems12lead.com]

    Missing: Arrhythmias Detected Prenatally
  • Atrial Septal Defect

    When an ostium primum atrial defect is present, the ECG reveals left axis deviation.[healio.com] ECG shows qR pattern in V1, QRS right axis deviation and diffuse repolarization abnormalities; transthoracic echocardiogram, apical 4-chamber view shows dilatation of the[cardiovascularultrasound.biomedcentral.com] In ostium primum ASD, it shows left axis deviation and right bundle branch block. In sinus venosus ASD, it shows left axis deviation and a negative P wave in lead III.[symptoma.com]

    Missing: Arrhythmias Detected Prenatally
  • Ventricular Tachycardia

    They all have an RBBB shape because of an origin in the left ventricle. The most common type is shown in panel A. The frontal QRS axis shows left axis deviation.[heart.bmj.com] Polymorphic ventricular tachycardia is usually due to abnormalities of ventricular repolarization of muscle fibers.[ventriculartachycardiatreatment.com] Polymorphic ventricular tachycardia, on the other hand, is most commonly caused by abnormalities of ventricular muscle repolarization.[en.wikipedia.org]

    Missing: Arrhythmias Detected Prenatally
  • Ostium Primum Atrial Septal Defect

    In primum defects left axis deviation is seen in most patients with an axis of -30 degrees and very few patients have right axis deviation.[en.wikipedia.org] Electrocardiogram on admission showed atrial fibrillation with ventricular rate response of 100 beats/min, right bundle branch block and diffuse repolarization abnormalities[jcecho.org] In Primum defects left axis deviation is seen in most patients with an axis of -30 degrees and very few patients have right axis deviation.[ipfs.io]

    Missing: Arrhythmias Detected Prenatally
  • Left Bundle Branch Block

    Left bundle branch block is usually associated with normal or left axis deviation.[ncbi.nlm.nih.gov] This case provides additional evidence that LVNC may be complicated by 2:1 (or complete) AVB, intraventricular conduction disturbances (LBBB) and repolarization abnormalities[ncbi.nlm.nih.gov] From these vectorcardiograms, QRS and T-wave area were calculated as comprehensive indices of depolarization and repolarization abnormalities, respectively.[ncbi.nlm.nih.gov]

    Missing: Arrhythmias Detected Prenatally
  • Long QT Syndrome 13

    Hsiao et al. [ 30 ] analyzed the outcomes of 123 fetuses with prenatally detected cardiac malformations and/or cardiac arrhythmias.[karger.com] 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[ncbi.nlm.nih.gov] 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[analesdepediatria.org]

    Missing: Left Axis Deviation

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