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  1. 281
    “…The tumor can cause the left atrio-ventricular valve obstruction and embolization phenomenon. …”
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    A case report of left atrial myxoma presenting with amnesia
  2. 282
    “…Background and Objectives: Conduction disturbances such as left bundle branch block (LBBB) and complete atrio-ventricular block (cAVB) are relatively frequent complications following trans-catheter aortic valve implantation (TAVI). …”
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    Occurrence and Persistency of Conduction Disturbances during Transcatheter Aortic Valve Implantation
  3. 283
    “…The behavior of the enhanced MARVEL 2 algorithm during variable atrio‐ventricular conduction (AVC) and/or arrhythmias has not been characterized and is the focus of this study. …”
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    Behavior of AV synchrony pacing mode in a leadless pacemaker during variable AV conduction and arrhythmias
  4. 284
    “…One patient (1.9%) developed atrio-ventricular block. Postoperative mean gradient was 4.3 ± 1.9 mmHg, with 46 (88.4%) achieving complete resolution of obstruction. …”
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    Outcomes of Septal Myectomy beyond 65 Years, with and without Concomitant Procedures (†)
  5. 285
    “…During atrial fibrillation (AF), the heart relies heavily on the atrio-ventricular (AV) node to regulate the heart rate. …”
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    Non-invasive Characterization of Human AV-Nodal Conduction Delay and Refractory Period During Atrial Fibrillation
  6. 286
    “…A large mitral cleft was identified as the most likely cause of severe regurgitation, and histology showed mild to moderate endocardiosis in the coaptation area of both atrio-ventricular valves. In summary, although not common, congenital heart defects could play a role as a cause of experimental variability or even intra-experimental mortality when working with apparently heathy, juvenile pigs.…”
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    Pathology and Advanced Imaging—Characterization of a Congenital Cardiac Defect and Complex Hemodynamics in a Pig: A Case Report
  7. 287
    “…G609G mice exhibited severe bradycardia, and significant alterations of atrio-ventricular conduction and repolarization. …”
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    Paclitaxel mitigates structural alterations and cardiac conduction system defects in a mouse model of Hutchinson–Gilford progeria syndrome
  8. 288
    “…BACKGROUND: Post-operative atrio-ventricular (AV) block after cardiac surgery is not uncommon in high-risk patients. …”
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    VDI pacing with temporary esophageal and transvenous pacemaker leads to treat post-cardiac surgery cardiogenic shock
  9. 289
    “…Fluoropyrimidine cardiotoxicity shows a wide variety of clinical presentations in real life, from silent ischemia to atypical symptoms, acute coronary syndrome, left ventricular dysfunction (LVD), VA, or complete atrio-ventricular block. Physical effort is the trigger of cardiotoxicity in nearly half of the cases. …”
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    The puzzling clinical presentation of fluoropyrimidines cardiotoxicity
  10. 290
    “…Conclusion Based on our data, VSD is the most common CHD followed by a complete atrio-VSD (CAVSD) in children with DS. The most common association of CHD in DS is VSD with PDA. …”
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    Congenital Heart Disease and Its Association in Children With Down Syndrome
  11. 291
    “…Due to the anatomical proximity of the left atrium to the esophagus, there is significant risk for thermal esophageal injury and potentially atrio-esophageal fistula. Ablation of persistent atrial fibrillation (AF) may involve even more lesion placement, and increased risk and procedure time as a result. …”
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    Reduction in procedure duration when utilizing active esophageal cooling in patients with persistent atrial fibrillation - update from a large hospital registry
  12. 292
    “…Further signs were hyperhidrosis, hypersalivation, bronchorrhoea, and severe miosis; the electrocardiographic finding was atrio-ventricular dissociation. High doses of atropine (up to 50 mg per 24 hours), adrenaline and dopamine were necessary. …”
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    Case report: Acute unintentional carbachol intoxication
  13. 293
    “…However, there are a few exceptions: patients with Timothy syndrome, patients with Jervell Lange-Nielsen syndrome carrying KCNQ1 mutations and LQT3 patients with 2:1 atrio-ventricular block and very early occurrence of cardiac arrhythmias.…”
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    Congenital long QT syndrome
  14. 294
    “…METHODS: Comprehensive echocardiographic evaluation including the atrio-ventricular, inter- and intra-ventricular dyssynchrony based on M-mode, conventional Doppler and tissue Doppler imaging (TDI) was done before and immediately after (< 7 days) pacemaker implantation. …”
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    Comparison of Ventricular Dyssynchrony According to the Position of Right Ventricular Pacing Electrode: A Multi-Center Prospective Echocardiographic Study
  15. 295
    “…AIMS: Although patients with syncope and bundle branch block (BBB) are at high risk of developing atrio-ventricular block, syncope may be due to other aetiologies. …”
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    Diagnosis, management, and outcomes of patients with syncope and bundle branch block
  16. 296
    “…BACKGROUND: Post-implantation therapies to optimize cardiac resynchronization therapy (CRT) focus on adjustments of the atrio-ventricular (AV) delay and ventricular-to-ventricular (VV) interval. …”
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    Acute Beneficial Hemodynamic Effects of a Novel 3D-Echocardiographic Optimization Protocol in Cardiac Resynchronization Therapy
  17. 297
    “…Patients were randomly assigned to postoperative BiV pacing with the optimization of the atrio- (AV) and inter-ventricular (VV) pacing intervals (Group 1) or conventional dual-chamber right AV pacing (Group 2). …”
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    Optimized temporary bi-ventricular pacing improves haemodynamic function after on-pump cardiac surgery in patients with severe left ventricular systolic dysfunction: a two-centre randomized control trial
  18. 298
    “…Exercise was performed using a custom built ergometer for one-legged exercise in the supine position during breath hold imaging. Cardiac volumes and atrio-ventricular plane displacement were determined. …”
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    Moderate intensity supine exercise causes decreased cardiac volumes and increased outer volume variations: a cardiovascular magnetic resonance study
  19. 299
    “…BACKGROUND: Several past clinical studies have demonstrated that frequent and unnecessary right ventricular pacing in patients with sick sinus syndrome and compromised atrio-ventricular conduction (AVC) produces long-term adverse effects. …”
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    Effectiveness of Ventricular Intrinsic Preference (VIP™) and Ventricular AutoCapture (VAC) algorithms in pacemaker patients: Results of the validate study
  20. 300
    “…Diagnostic monitorings included (i) conclusive events with reoccurrence of syncope or palpitation with concomitant ECG recording (with/without arrhythmias) and (ii) events with asymptomatic predefined significant arrhythmias (sustained supraventricular or ventricular tachycardia, advanced atrio-ventricular block, sinus bradycardia <30 b.p.m., pauses >6 s). …”
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    External prolonged electrocardiogram monitoring in unexplained syncope and palpitations: results of the SYNARR-Flash study
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