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  1. 301
    “…EXPERIMENTAL APPROACH: PA‐6 was applied i.v. in anaesthetized goats with rapid pacing‐induced AF and anaesthetized dogs with chronic atrio‐ventricular (AV) block. Electrophysiological and pharmacological parameters were determined. …”
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    The inward rectifier current inhibitor PA‐6 terminates atrial fibrillation and does not cause ventricular arrhythmias in goat and dog models
  2. 302
    “…The composite primary endpoint consisted of admission for congestive heart failure, sustained ventricular tachycardia, appropriate implantable cardioverter defibrillator therapy, pacemaker implantation for high degree atrio‐ventricular block, or cardiac death. The composite secondary endpoint included all‐cause mortality in addition to the primary endpoint. …”
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    Right ventricular involvement and the extent of left ventricular enhancement with magnetic resonance predict adverse outcome in pulmonary sarcoidosis
  3. 303
    “…The protocol includes: shallow implantation depth within the native annulus, strict adherence to the international guidelines for PPMI, PPMI not earlier than 5 days after TAVI, and intravenous chronotropic and steroidal treatment (orciprenaline 0.6–1.7 mg/h i.v. and dexamethasone 25 mg/day i.v. for a maximum of 5 days) in case of acute onset of intraventricular and/or atrio-ventricular conduction disturbances after TAVI. …”
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    Transcatheter aortic valve implantation with a mechanically expandable prosthesis: a learning experience for permanent pacemaker implantation rate reduction
  4. 304
    “…METHODS: Electrophysiology, histology, and immunohistochemistry experiments on male Wistar Hannover rats aged 3 months (n = 24) and 2 years (n = 15) were performed. Atrio-His (AH) interval, Wenkebach cycle length (WBCL), and AVN effective refractory period (AVNERP) were measured. …”
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    Structural and functional remodeling of the atrioventricular node with aging in rats: The role of hyperpolarization-activated cyclic nucleotide–gated and ryanodine 2 channels
  5. 305
    “…TWA-magnitude (V(alt) >0μV, k≥3), its duration (d), and burden (V(alt) ·d) were quantified in moving 128-beat segments during incremental atrial (AAI, native-TWA) and atrio-biventricular (DDD-CRT) pacing. The immediate and long-term effect of CRT on TWA was examined. …”
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    Reduced T wave alternans in heart failure responders to cardiac resynchronization therapy: Evidence of electrical remodeling
  6. 306
    “…The principal recorded anomalies consisted into ventricular ectopic beats (n = 32), PAF (n = 7), supraventricular ectopic beats (n = 5), non-sustained ventricular tachycardia (n = 4), sustained ventricular tachycardia (n = 2), and type 2 atrio-ventricular block (n = 1). The frequency of PAF was 2.6%. …”
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    Apport du Holter ECG dans le bilan étiologique des infarctus cérébraux à Brazzaville, Congo
  7. 307
    “…Patients with neuromuscular presentation experienced first symptoms earlier in life (11 vs 39 years; p <  0.0001) and developed atrial fibrillation/flutter (AF) and required pacemaker implantation at a younger age (28 vs 41 years [p = 0.013] and 30 vs 44 years [p = 0.086] respectively), despite a similar overall prevalence of AF (57% vs 65%; p = 0.735) and atrio-ventricular (A-V) block (50% vs 65%; p = 0.500). …”
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    Differences in cardiac phenotype and natural history of laminopathies with and without neuromuscular onset
  8. 308
    “…Apnea elicited significant bradycardia (nadir −32 ± 15 beats/min; P < 0.01) and the development of arrhythmias in 8/13 Lowlanders (junctional rhythm, 3° atrio-ventricular block, sinus pause). HR was preserved was prior to volitional breakpoint in both CMS- (nadir −6 ± 1 beat/min) and CMS + (1 ± 12 beats/min), with 2/17 Andeans developing arrhythmias (1 CMS+ and 1 CMS-; both Premature atrial contraction) prior to breakpoint. …”
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    Global REACH: Assessment of Brady-Arrhythmias in Andeans and Lowlanders During Apnea at 4330 m
  9. 309
    “…RAA type 2 associated atrio-ventricular septal defect (AVSD) in one case (25%) and in another one case (25%) the anomaly was isolated. …”
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    First Trimester Ultrasound Diagnosis of Right Aortic Arch (RAA)
  10. 310
    “…The most extreme type of thermal injury results in atrio-esophageal fistula (AEF) and a correspondingly high mortality rate. …”
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    Esophageal cooling for protection during left atrial ablation: a systematic review and meta-analysis
  11. 311
    “…After a mean follow-up period of 7 years, 2 patients had undergone accessory pathway ablation, 8 patients (36%) underwent permanent pacemaker implantation (atrio-ventricular blocks—5; sinus node disease—2), 3 patients developed atrial fibrillation, 11 patients (50%) developed progressive worsening in NYHA functional class, and 6 patients (27%) experienced sudden cardiac death or equivalent. …”
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    Phenotypic expression and clinical outcomes in a South Asian PRKAG2 cardiomyopathy cohort
  12. 312
    “…Methods: We analyzed the ECGs of 40 Fabry patients (male, n = 17; female, n = 23) before and after treatment with ERT. To evaluate the atrio-ventricular conduction, the PQ interval, corrected PQ and PQ minus P-wave in lead II (Pend-Q) were calculated. …”
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    Characteristics of the Electrocardiogram in Japanese Fabry Patients Under Long-Term Enzyme Replacement Therapy
  13. 313
    “…METHODS: This was a retrospective, observational study including all the adult patients (>18 years) who were diagnosed with COVID-19 infection and had complete heart block (CHB) or symptomatic high-grade Atrio-Ventricular (AV) block requiring a temporary pacemaker insertion (TPI). …”
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    Epidemiological, demographic, laboratory, clinical management, and outcome data of symptomatic bradyarrhythmia in COVID-19 patients
  14. 314
    “…LV longitudinal function was assessed from atrio-ventricular plane displacement (AVPD) and global longitudinal strain (GLS) was assessed using feature tracking in three long-axis views. …”
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    Underfilling decreases left ventricular function in pulmonary arterial hypertension
  15. 315
    “…Falha do procedimento foi associada a eletrodos de ventrículo (p=0,05) e átrio (p=0,04) direito implantados há mais tempo. …”
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    Remoção Percutânea de Eletrodos de Estimulação Cardíaca Artificial em um Único Centro Sul-Americano
  16. 316
    “…INTRODUCTION: Cardiac resynchronization therapy (CRT) improves outcomes in sinus rhythm, but the data in atrial fibrillation (AF) is limited. Atrio-ventricular junctional ablation (AVJA) has been proposed as a remedy. …”
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    Junctional AV ablation in patients with atrial fibrillation undergoing cardiac resynchronization therapy (JAVA-CRT): results of a multicenter randomized clinical trial pilot program
  17. 317
    “…ECG was recorded on ED admission to determine: heart rhythm, rate, and cycle; atrio-ventricular and intra-ventricular conduction; right ventricular strain; and ventricular repolarization. …”
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    Prognostic Value of 12-Leads Electrocardiogram at Emergency Department in Hospitalized Patients with Coronavirus Disease-19
  18. 318
    “…Network meta-analysis (NMA) of PeAF patients with systolic HF comparing all-cause mortality, change in HF-related quality of life (QoL) and hospitalization due to heart failure (HHF) were performed among catheter ablation (CA) of AF, rate-controlling drugs (RCDs), anti-arrhythmic drugs (AADs), and atrio-ventricular nodal ablation (AVNA) using Bayesian random effect model. …”
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    Rhythm Control of Persistent Atrial Fibrillation in Systolic Heart Failure: A Bayesian Network Meta-Analysis of Randomized Controlled Trials
  19. 319
    “…Fosl-2(tg) mice showed interstitial cardiac fibrosis, disorganized connexin-43/40 in intercalated discs and deregulated expression of genes controlling conduction system, and developed higher heart rate (HR), prolonged QT intervals, arrhythmias with prevalence of premature ventricular contractions, ventricular tachycardias, II-degree atrio-ventricular blocks and reduced HR variability. …”
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    The AP-1 transcription factor Fosl-2 drives cardiac fibrosis and arrhythmias under immunofibrotic conditions
  20. 320
    “…Stem cell niches have been thoroughly investigated in tissue with high regenerative capacity but not in tissues where cell turnover is slow, such as the human heart. The left AtrioVentricular junction (AVj), the base of the mitral valve, has previously been proposed as a niche region for cardiac progenitors in the adult human heart. …”
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    Expression of Stem Cell Niche-Related Biomarkers at the Base of the Human Tricuspid Valve
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