• Am. J. Med. Sci. · Nov 2024

    Review

    QTc Interval: A Frequently Unrecognized Electrocardiographic Interval.

    • Ali Osama Kamal Zaki Ibrahim, Akruti Patel Prabhakar, and Angel Lopez-Candales.
    • Department of Medicine, University Health Truman Medical Center, University of Missouri-Kansas City, Kansas City, MO.
    • Am. J. Med. Sci. 2024 Nov 1; 368 (5): 532537532-537.

    AbstractThe QT interval, an electrocardiographic temporal representation of the ventricular depolarization and repolarization, is an integral parameter that must be carefully evaluated to gather critical information regarding electrical instability that may cause malignant ventricular dysrhythmias or sudden cardiac death. The QT interval is affected by several inheritable and acquired factors, such as genetic mutations, electrolyte disturbances, and medication interactions. We strongly believe that prompt and accurate recognition of any QT interval abnormalities is critical in many clinical settings. This concise review article highlights the importance of accurate measurement of the QT interval, enhances understanding of the most prevalent factors yielding abnormalities within the QT interval and the prognostic value of the QT interval, as well as provides several key practical reminders for healthcare professionals to strengthen our clinical practice.Copyright © 2024 Southern Society for Clinical Investigation. Published by Elsevier Inc. All rights reserved.

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