Why the study?
Does beta-blocker use affect heart rate recovery following exercise stress echocardiography?
Does beta-blocker use affect heart rate recovery following exercise stress echocardiography?
Beta-blocker use does not blunt heart rate recovery in patients with normal stress echocardiograms, preserving its utility as a prognostic marker, while it improves recovery in those with stress-induced abnormalities.
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HRR prognostic value preserved with beta-blockers in negative ESE; leaves open effects in positive cases.
Karnik et al. (2008) studied this question.
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