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Unbound Medicine.
(Atrial fibrillation)
103,472 results
  • Irregular ventricular tachycardia originating from the moderator band. [Journal Article]
    J Electrocardiol. 2023 Jan 30; 78:25-28.Gonzalez ML, Sriram CS, Gonzalez MD
  • Ventricular tachycardias (VT) may initially show beat to beat oscillations but rapidly stabilize into a regular tachycardia with a stable cycle length. A persistently irregular ventricular tachycardia is a rare phenomenon. We report a rare case of an "irregular" ventricular tachycardia with so pronounced oscillations in cycle length that it was initially misdiagnosed as atrial fibrillation with a…
  • Probability of Cardioembolic vs. Atherothrombotic Pathogenesis of Cryptogenic Strokes in Older Patients. [Journal Article]
    Am J Cardiol. 2023 Feb 01; 192:51-59.Muscari A, Evangelisti E, … Barbara G
  • Some clinical, laboratory, ECG, and echocardiographic parameters could provide useful indications to assess the probability of cardioembolism or atherothrombosis in cryptogenic strokes. We retrospectively examined 290 patients with ischemic stroke aged ≥60 years, divided into 3 groups: strokes originating from large artery atherothrombosis (n = 92), cardioembolic strokes caused by paroxysmal atri…
  • "Water Gun:" A New Morphology of Left Atrial Appendage. [Journal Article]
    J Invasive Cardiol. 2023 Feb; 35(2):E110-E111.Rivero-Santana B, Galeote G, … Jurado-Roman A
  • An 86-year-old patient with non-valvular atrial fibrillation was referred to our institution to undergo a left atrial appendage (LAA) closure for recurrent gastrointestinal bleeding on direct oral anticoagulants. The transesophageal echocardiogram (TEE) performed the previous day evaluated the morphology and dimensions of the LAA and ruled out any thrombus. During the procedure, a pigtail cathete…
  • An Objective Tool for Quantifying Atrial Fibrillation Substrate in Rats. [Journal Article]
    Am J Physiol Heart Circ Physiol. 2023 Feb 03 [Online ahead of print]Murninkas M, Gillis R, … Gradwohl G
  • The utility of rodents for research related to atrial fibrillation (AF) is growing exponentially. However, the obtained arrhythmic waveforms are often mixed with ventricular signals and the ability to analyze regularity and complexity of such events is limited. Recently, we introduced an implantable quadripolar electrode adapted for advanced atrial electrophysiology in ambulatory rats. Notably, w…
  • [ANMCO-SIMEU Consensus document: Appropriate management of atrial fibrillation in the emergency department]. [Journal Article]
    G Ital Cardiol (Rome). 2023 Feb; 24(2):136-159.Caldarola P, De Iaco F, … Colivicchi F
  • Atrial fibrillation (AF) accounts for 2% of the total presentations to the emergency department (ED) and represents the most frequent arrhythmic cause for hospitalization. It steadily increases the risk of thromboembolic events and is often associated with several comorbidities that negatively affect patient's quality of life and prognosis. AF has a considerable on healthcare resources, making th…
  • Rotor mechanism and its mapping in atrial fibrillation. [Journal Article]
    Europace. 2023 Feb 03 [Online ahead of print]Xu CH, Xiong F, … Qin M
  • Treatment of atrial fibrillation (AF) remains challenging despite significant progress in understanding its underlying mechanisms. The first detailed, quantitative theory of functional re-entry, the 'leading circle' model, was developed more than 40 years ago. Subsequently, in decades of study, an alternative paradigm based on spiral waves has long been postulated to drive AF. The rotor as a 'spi…
  • Rpl3l gene deletion in mice reduces heart weight over time. [Journal Article]
    Front Physiol. 2023; 14:1054169.Grimes KM, Prasad V, … Molkentin JD
  • Introduction: The ribosomal protein L3-like (RPL3L) is a heart and skeletal muscle-specific ribosomal protein and paralogue of the more ubiquitously expressed RPL3 protein. Mutations in the human RPL3L gene are linked to childhood cardiomyopathy and age-related atrial fibrillation, yet the function of RPL3L in the mammalian heart remains unknown. Methods and Results: Here, we observed that mouse …
  • Imaging and biophysical modelling of thrombogenic mechanisms in atrial fibrillation and stroke. [Review]
    Front Cardiovasc Med. 2022; 9:1074562.Qureshi A, Lip GYH, … de Vecchi A
  • Atrial fibrillation (AF) underlies almost one third of all ischaemic strokes, with the left atrial appendage (LAA) identified as the primary thromboembolic source. Current stroke risk stratification approaches, such as the CHA2DS2-VASc score, rely mostly on clinical comorbidities, rather than thrombogenic mechanisms such as blood stasis, hypercoagulability and endothelial dysfunction-known as Vir…
  • Oxidative Stress and Pyroptosis in Doxorubicin-Induced Heart Failure and Atrial Fibrillation. [Journal Article]
    Oxid Med Cell Longev. 2023; 2023:4938287.Ping Z, Fangfang T, … Liang S
  • Patients undergoing doxorubicin (Dox) chemotherapy often develop new-onset atrial fibrillation and heart failure. Recent studies indicate that the TLR4/MyD88/NLRP3 pyroptosis signaling pathway plays a key role in the occurrence and development of cancer, heart failure, and atherosclerosis. However, few studies investigated the role of oxidative stress and pyroptosis in doxorubicin-induced heart f…
  • Remedē Systems: Transvenous Pacing of the Phrenic Nerve. [Review]
    J Cardiothorac Vasc Anesth. 2023 Jan 13 [Online ahead of print]Tang JE, Saklayen SL, … Augostini RS
  • The remedē System (ZOLL Medical, Minnetonka, MN; Fig 1), which was approved by the Food and Drug Administration in October of 2017, is a transvenous device that stimulates the phrenic nerve for the treatment of central sleep apnea, which is often associated with heart failure and atrial fibrillation. Given the similarity in implantation procedure to pacemakers and implantable cardioverter/defibri…
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