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http://dx.doi.org/10.1177/19322968221141087 | DOI Listing |
Intern Emerg Med
January 2025
Faculty of Medicine, Department of Emergency Medicine, Akdeniz University, Antalya, Turkey.
Patients presenting with suspected acute coronary syndrome (ACS) in the emergency department (ED) require rapid and accurate electrocardiographic (ECG) evaluation. This study aims to assess conventional ECG markers for diagnosing non-ST-elevation ACS (NSTE-ACS) in patients with chest discomfort and right bundle branch block (RBBB). A nested case-control design was employed to compare patients with RBBB admitted to the ED for suspected cardiac ischemia, focusing on those who developed NSTE-ACS versus those who did not.
View Article and Find Full Text PDFCardiovasc Revasc Med
December 2024
Department of Cardiology, Tel Aviv Sourasky Medical Center, affiliated with the School of Medicine, Tel Aviv University, Israel.
Background: Angina with non-obstructive coronary artery disease (ANOCA) is commonly observed in patients with stable angina undergoing coronary angiography. Current guidelines recommend non-invasive stress testing as the first step in diagnosing coronary microvascular disease (CMD). This study aims to evaluate the diagnostic value of non-invasive stress testing in patients invasively diagnosed with CMD.
View Article and Find Full Text PDFJ Electrocardiol
December 2024
Physiology Unit, Department of Pre-Clinical Sciences, Faculty of Medical Sciences, The University of the West Indies, St. Augustine Campus, Mount Hope Hospital, Building 35, Uriah Butler Highway, Trinidad and Tobago.
Background: The aim of this simulation was to examine the utility of a novel ECG-based index of cardiac action potential (AP) triangulation, the Tstart-to-Tpeak (TsTp) interval-to-JTstart (JTs) interval ratio, for assessment of changes in AP profile imposed through variations in the duration of the plateau phase and the phase 3 repolarization.
Methods: ECGs were simulated using a realistic rabbit model based on experimental data. The AP plateau was measured at APD30, and the phase 3 was assessed as APD90-to-APD30 difference (AP durations at 90 % and 30 % repolarization, respectively).
Comput Biol Med
December 2024
École de technologie supérieure, 1100 Notre-Dame St W, Montreal, H3C 1K3, Quebec, Canada; Centre for Interdisciplinary Research in Music Media and Technology (CIRMMT), 527 Rue Sherbrooke O #8, Montréal, QC H3A 1E3, Canada. Electronic address:
Background: Although stress plays a key role in tinnitus and decreased sound tolerance, conventional hearing devices used to manage these conditions are not currently capable of monitoring the wearer's stress level. The aim of this study was to assess the feasibility of stress monitoring with an in-ear device.
Method: In-ear heartbeat sounds and clinical-grade electrocardiography (ECG) signals were simultaneously recorded while 30 healthy young adults underwent a stress protocol.
Eur J Obstet Gynecol Reprod Biol
December 2024
Institute of Reproductive Developmental Biology, Department of Metabolism Digestion and Reproduction, Hammersmith Campus, Imperial College London, London, W12 0HS, United Kingdom. Electronic address:
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