ArticleCureus2026
Relationship Between QT Interval Parameters on Electrocardiography and Acute Cerebrovascular Accident: A Cross-Sectional Study.
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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9 authors.
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Abstract
Introduction Acute cerebrovascular accident (CVA) is a major cause of mortality and long-term disability worldwide. Electrocardiographic (ECG) abnormalities, particularly prolonged corrected QT interval (QTc) and QT dispersion (QTd), are frequently observed following acute stroke because of autonomic nervous system dysfunction. However, their clinical relevance in relation to functional outcome remains incompletely understood. This study aimed to compare QT interval parameters between ischemic and hemorrhagic stroke and determine the association of QTc and QTd with functional outcome. Materials and methods A hospital-based cross-sectional analytical study was conducted in the Department of General Medicine, Hind Institute of Medical Sciences, Barabanki, Uttar Pradesh, India, from January 2022 to December 2024. A total of 165 consecutive patients with acute CVA were enrolled, including 120 (72.7%) patients with ischemic stroke and 45 (27.3%) with hemorrhagic stroke. Standard 12-lead ECG was performed at admission to measure QT interval, QTc, QTmax, QTmin, QTd, and corrected QTd. Functional outcome was assessed using the modified Rankin Scale (mRS). Statistical analysis was performed using IBM SPSS Statistics for Windows, Version 26.0 (Released 2018; IBM Corp., Armonk, NY, USA), with a p
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