Ulyana Chernyaha-Royko

ORCID: 0000-0003-0986-0325
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About
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Research Areas
  • Atrial Fibrillation Management and Outcomes
  • Cardiac Arrhythmias and Treatments
  • Cardiac electrophysiology and arrhythmias
  • Cardiac Imaging and Diagnostics
  • Cardiac pacing and defibrillation studies
  • Healthcare Systems and Public Health
  • Cerebrovascular and Carotid Artery Diseases
  • Cardiovascular Syncope and Autonomic Disorders
  • Oropharyngeal Anatomy and Pathologies
  • Vascular anomalies and interventions
  • Coronary Artery Anomalies
  • Fusion and Plasma Physics Studies
  • Intracranial Aneurysms: Treatment and Complications

Danylo Halytsky Lviv National Medical University
2017-2024

The purpose of this article is to analyze a clinical case pacemaker-mediated tachycardia. It can develop only in patients with dual-chamber or biventricular pacemakers and preserved ventriculoatrial conduction. mechanism tachycardia re-entry between pacemaker conduction system. A thorough examination patient, Holter ECG monitoring, interrogation are the main strategic approaches for correctly diagnosing PMT differentiating it from other types arrhythmias. To prevent occurrence PMT, necessary...

10.22141/2224-0586.20.8.2024.1818 article EN cc-by EMERGENCY MEDICINE 2025-01-27

Objective: Persistent left superior vena cava (PLSVC) is not uncommon venous return anomaly (0.3-05% of the general population).It usually asymptomatic but can complicate transvenous cardiac interventions, particularly implantations pacemakers.We present a case need for pacemaker implantation in patients with PLSVC.Case presentation: An 84-year-old woman was referred to hospital frequent syncopal episodes, dizziness, and fatigue.Electrocardiogram showed atrial fibrillation bradycardia (35-40...

10.24969/hvt.2024.493 article EN cc-by-nc-nd Heart Vessels and Transplantation 2024-06-20

Objective: To compare ablation outcomes and quality of life (QoL) patients with typical atrial flutter (AFL) concomitant fibrillation (AF) paroxysms after cavotricuspid isthmus (CTI) alone or combined pulmonary vein isolation.Methods: The single-center study included 43 CTI-dependent AFL paroxysmal AF.We compared QoL, clinical data concerning the course arrhythmia recurrence in 18 (41.9%)patients isolated CTI versus 25 (58.1%)persons both isolation (PVI) one-year follow-up.Results: groups...

10.24969/hvt.2024.473 article EN cc-by-nc-nd Heart Vessels and Transplantation 2024-03-20

In this article, several uncommon cases of different atrial flutter (AFL) types are described. Electrocardiogram (ECG), the standard and widespread method rhythm disturbances detection, sometimes can be insufficient for correct diagnosis in such cases. Different features atrioventricular (AV) conduction multiple macro re-entry circles may considerably influence surface ECG. Another distorting factor AFL appearance is possibility ECG elements superposition overlapping. Some atypical forms...

10.24969/hvt.2017.6 article EN cc-by-nc-nd Heart Vessels and Transplantation 2017-04-16

The purpose of this work is to analyze the clinical case conducting constant pacing ventricles by method selective implantation endocardial lead into His bundle. stimulation bundle in atrioventricular blockages grounded on fact that electrical activation ventricular myocardium normally carried out through its own cardiac conduction system – Purkinje system. Implantation a stimulating directly prevents distortion physiological sequence different segments myocardium, which long term should...

10.31928/1608-635x-2019.1.8993 article EN Ukrainian Journal of Cardiology 2019-04-15

10.31928/2305-3127-2019.2.521 article EN publisher-specific-oa Cardiac Surgery and Interventional Cardiology 2019-06-15

Electrocardiogram Presentation Female, 78 years old, complains on weakness, dizziness, loss of consciousness several times during last week.Fragment electrocardiogram (ECG) was recorded using 3 leads Holter monitor at the evening rest (Fig.1.).Speed recording -25 mm/s.The correct description this ECG is: A) Atrioventricular (AV) block I degree B) AV II degree, Wenckebach C) 2:1 D) Mobitz E) advanced F) III complete Figure1.Fragment 3-channel monitoring

10.24969/hvt.2019.161 article EN cc-by-nc-nd Heart Vessels and Transplantation 2019-10-16

Dual atrioventricular nodal non‐reentrant tachycardia (DAVNNT) is a rarely diagnosed, sustained supraventricular arrhythmia. We report the case of 39‐year‐old female with drug‐resistant, irregular, narrow QRS complex which gradually led to tachycardia‐induced cardiomyopathy. Previously, this arrhythmia was recognized as atrial fibrillation, several unsuccessful attempts at pulmonary vein isolation. Only after correct diagnosis DAVNNT established, successful radiofrequency ablation slow...

10.20418/jrcd.vol4no3.387 article EN publisher-specific-oa Journal of Rare Cardiovascular Diseases 2020-01-01

3 1 Львівський національний медичний університет імені Данила Галицького 2 обласний державний клінічний лікувально-діагностичний кардіологічний центр Національна медична академія післядипломної освіти П.Л.Шупика, Київ Рецидиви аритмії тa пізні серцево-судинні ускладнення в пацієнтів із персистентною фібриляцією передсердь після відновлення синусового ритму Мета роботи -вивчити роль пізніх рецидивів прогнозуванні несприятливого перебігу хвороби (ФП) кардіоверсії при 9-місячному спостереженні

10.31928/2305-3127-2020.2.2835 article UK publisher-specific-oa Cardiac Surgery and Interventional Cardiology 2020-06-01

Carotid artery endarterectomy (CAE) is a treatment of choice for symptomatic and asymptomatic high-grade carotid stenosis, showing great results in reducing stroke morbidity. The optimal technique the arterial closure is, however, still under discussion, with both patch angioplasty primary having numerous advantages pitfalls. definite evidence lacking. aim this study was to evaluate modified during CEA. Incidence restenosis more than 8 months after surgery measured. A retrospective...

10.26641/2307-0404.2020.3.214818 article EN cc-by Medicni perspektivi 2020-10-05

The aim – to estimate the survival analysis of patients with atrial flutter after index hospitalization during a three-year follow-up and determine independent predictors survival.Materials methods. one-center prospective study included 126 various forms AFL, among them 86 (68.3 %) men 40 (31.7 women, median age was 65.5 (quartiles 55–73) years. 26 1–46) months hospitalization. Survival performed by Cox regression for continuous variables, also estimating Kaplan Meier curves χ2 ranked...

10.31928/1608-635x-2022.1-2.5056 article EN Ukrainian Journal of Cardiology 2022-07-05

Introduction. The existing guidelines do not contain a clear algorithm for predicting the late recurrences of atrial fibrillation (AFib). Objectives. We have studied predictors recurrence arrhythmia in patients with persistent AFib after restoration sinus rhythm (SR). Research methods. A prospective single-center study included 120 hospitalized who underwent successful cardioversion. was assessed early period cardioversion by recording 12-channel ECG, Holter ECG monitoring and event...

10.25040/ntsh2021.02.20 article EN cc-by Proceedings of the Shevchenko Scientific Society Medical Sciences 2021-12-29
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