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Unbound Medicine.
(Atrioventricular block)
16,235 results
  • Case report: Left ventricular perforation caused by right ventricular pacemaker lead. [Case Reports]
    Front Cardiovasc Med. 2022; 9:1089694.Huang X, Zhou H, … Li XL
  • Perforation of the interventricular septum and left ventricular (LV) free wall by a right ventricular (RV) lead is an extremely rare and potentially life-threatening complication. In this case report, we discussed the diagnosis and management of a very unusual complication of pacemaker (PM) implantation, i.e., LV perforation brought on by an RV pacing lead.
  • Conduction mapping during complex congenital heart surgery: Creating a predictive model of conduction anatomy. [Journal Article]
    J Thorac Cardiovasc Surg. 2022 Dec 13 [Online ahead of print]Feins EN, O'Leary ET, … DeWitt ES
  • CONCLUSIONS: The precise anatomic location of the conduction system in patients with complex congenital heart defects can be difficult for the surgeon to accurately predict. Intraoperative conduction mapping enables localization of the His bundle and adds to our understanding of the anatomic factors associated with conduction location. Predictive modeling of conduction anatomy may build on what is already known about the conduction system and help surgeons to better anticipate conduction location preoperatively and intraoperatively.
  • Recurring episodes of bundle branch reentry ventricular tachycardia due to aortitis preceded by SARS-CoV-2 infection: a case report. [Case Reports]
    BMC Cardiovasc Disord. 2023 Jan 25; 23(1):46.Melchior SE, Schoos MM, … Melchior TM
  • CONCLUSIONS: We present a rare case of aortitis complicated with life-threatening ventricular tachycardia presided by Covid-19 infection without major respiratory symptoms. Given a known normal AV conduction prior to the COVID-19 infection, it seems likely that the ensuing aortitis in turn affected the septal myocardium, enabling the reentry tachycardia. Generally, bundle branch reentry tachycardia is best treated with radiofrequency ablation, but if it is due to aortitis with myocardial affection, long-term anti-inflammatory treatment is mandatory to prevent relapse and assure arrhythmia control. Our case highlights importance to recognize the existence of the multisystem inflammatory syndrome in adults (MIS-A) following COVID-19 infection in patients with alarming cardiovascular symptoms. The case shows that the early use of an CT-scan was crucial for both proper diagnosis and treatment option.
  • Bradyarrhythmia In A Marathonist: Cardiac Vagal Denervation As Alternative Treatment. [Journal Article]
    Rev Port Cardiol. 2023 Jan 21 [Online ahead of print]Neto M, Cavaco D, … Adragão P
  • Although not routinely used, cardioneuroablation or modulation of the cardiac autonomic nervous system has been proposed as an alternative approach to treat young individuals with enhanced vagal tone and significant atrioventricular (AV) disturbances.We report the case of a 42-year-old athlete with prolonged ventricular pauses associated with sinus bradycardia and paroxysmal episodes of AV block …
  • Electrocardiographic changes in hospitalised children with COVID-19. [Journal Article]
    Cardiol Young. 2023 Jan 23 [Online ahead of print]Avcu G, Arslan A, … Kurugol Z
  • CONCLUSIONS: The prevalence of arrhythmia in paediatric patients with COVID-19 was detected in 5.5% of the patients. While two-thirds of the electrocardiography abnormalities were sinus bradycardia, ST elevation was remarkable (1.4%). Clinicians should be aware of electrocardiographic abnormalities and consider electrocardiographic monitoring in paediatric patients with COVID-19 and multisystemic inflammatory syndrome in children.
  • The Serious Impact of Comorbidities on Methemoglobinemia: A Case Report. [Case Reports]
    Cureus. 2023 Jan; 15(1):e33923.Eliseu A, Palma C, … Santos F
  • Methemoglobinemia is a rare, life-threatening condition that occurs when the body is exposed to oxidative stress. We present the case of a 72-year-old female with a past medical history of hypertension, obesity, dyslipidemia, and heart failure who was admitted to the emergency department with altered mental status and respiratory failure. After admission, we also identified an atrioventricular bl…
  • Cardiac arrhythmias and conduction abnormalities in patients with type 2 diabetes. [Journal Article]
    Sci Rep. 2023 Jan 21; 13(1):1192.Rawshani A, McGuire DK, … Rawshani A
  • The association between type 2 diabetes (T2D) and the development of cardiac arrhythmias and conduction disturbances has not been extensively studied. Arrhythmia was defined as atrial fibrillation and flutter (AF/AFl), ventricular tachycardia (VT) and ventricular fibrillation (VF), and conduction abnormality as sinus node disease (SND), atrioventricular (AV) block or pacemaker implantation, and i…
  • CineECG illustrating the ventricular activation sequence in progressive AV-junctional conduction block. [Journal Article]
    J Electrocardiol. 2023 Jan 14; 78:1-4.van der Schaaf I, Kloosterman M, … Gorgels APM
  • We present the use of CineECG in visualizing abnormal ventricular activation in a case of a complex conduction disorder. CineECG combines the standard 12‑lead surface ECG with a 3D anatomical model of the heart. It projects the location and direction of the average ventricular activation and recovery on the heart model over time. In this case, CineECG was able to visualize the different type of f…
  • Lifestyle habits associated with cardiac conduction disease. [Journal Article]
    Eur Heart J. 2023 Jan 20 [Online ahead of print]Frimodt-Møller EK, Soliman EZ, … Marcus GM
  • CONCLUSIONS: While some difficult to control comorbidities were associated with conduction disease as expected, a readily modifiable lifestyle factor, physical activity, was associated with a lower risk.
  • [Clinical characteristics of Danon disease]. [Journal Article]
    Zhonghua Xin Xue Guan Bing Za Zhi. 2023 Jan 24; 51(1):51-57.Wang WW, Zhu YY, … Zhang SY
  • Objective: To review the clinical data of 7 patients with Danon disease and analyze their clinical characteristics. Methods: The medical records of 7 patients with Danon disease, who were hospitalized in Peking Union Medical College Hospital of Chinese Academy of Medical Sciences from April 2008 to July 2021, were reviewed and summarized, of which 6 cases were diagnosed as Danon disease by lysoso…
  • [FIP1L1::PDGFRA-positive chronic eosinophilic leukemia showing slowly progressive cardiac impairment]. [Case Reports]
    Rinsho Ketsueki. 2022; 63(12):1648-1652.Shimizu M, Kuroda A, … Shinagawa A
  • This report describes a 69-year-old man with eosinophilia that was detected during a medical check-up. A review of his medical history revealed that his absolute eosinophil count was 990/µl at the age of 55 and increased to 5,380/µl at the age of 69. Electrocardiogram revealed first-degree atrioventricular block at the age of 58, followed by ST-segment depression and a negative T wave at the age …
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