Why the study?
Is increased QT dispersion associated with cardiac arrest or syncope in patients with Prinzmetal's variant angina?
Is increased QT dispersion associated with cardiac arrest or syncope in patients with Prinzmetal's variant angina?
Increased QT dispersion is associated with cardiac arrest and syncope in patients with Prinzmetal's variant angina, suggesting it may serve as a marker of risk for sudden cardiac death.
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May flag higher sudden-death risk in Prinzmetal angina; leaves open prospective validation and therapeutic utility.
Nikhil Parchure (2001) studied this question.
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