Why the study?
Does a prolonged QTc on a standard 12-lead ECG predict cardiac death and all-cause mortality in stroke survivors?
Population
404 stroke survivors studied at approximately one year after the cerebrovascular event
Design
Cohort, ECGs were analysed by one observer who was blind to patient outcome
Follow-up
up to 6.3 years
Authors
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May aid post-stroke risk stratification; leaves open whether QTc informs interventions or requires prospective validation.
Does a prolonged QTc on a standard 12-lead ECG predict cardiac death and all-cause mortality in stroke survivors?
A prolonged QTc in lead V6 on a standard 12-lead ECG is a strong, independent predictor of cardiac and all-cause mortality in stroke survivors.
Kenneth Wong (2003) studied this question.
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