Why the study?
Does acute stroke increase QT dispersion in patients without known cardiac diseases?
Population
55 subjects total: 36 patients with acute stroke and no history or signs of cardiovascular disease, and 19…
Comparison
Acute stroke vs Age-matched control group free of cardiovascular…
Design
Cohort, assessors blinded to the clinical data
Follow-up
72 hours
Authors
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May signal transient arrhythmic vulnerability after acute stroke; hypothesis-generating for monitoring in large lesions.
Does acute stroke increase QT dispersion in patients without known cardiac diseases?
Acute stroke transiently increases QT dispersion within the first 24 hours, particularly in patients with large lesions, which may indicate a period of increased vulnerability to arrhythmias.
Afşar et al. (2003) studied this question.