Why the study?
Does the presence of J waves on resting ECG predict head-up tilt test-induced neurally mediated reflex syncope in patients with a history of syncope?
Does the presence of J waves on resting ECG predict head-up tilt test-induced neurally mediated reflex syncope in patients with a history of syncope?
The presence of J waves, particularly in inferior leads with horizontal/descending ST-T morphology, is strongly associated with neurally mediated reflex syncope during head-up tilt testing in patients with unexplained syncope.
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J waves may aid syncope risk stratification; leaves open prospective validation before clinical adoption.
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Yoshino Minoura (2017) studied this question.
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