Study Questions Use of Beta Blockers Before Heart Bypass Surgery

June 16, 2014 10:10 PM

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MONDAY, June 16, 2014 (HealthDay News) -- Even though it's standard medical practice, prescribing beta blockers the day before heart patients are scheduled for bypass surgery may not improve results, a new study suggests.

In fact, their use 24 hours before bypass surgery may result in slightly higher rates of a heart rhythm abnormality called atrial fibrillation, the study authors said. Beta blockers are commonly prescribed to lower blood pressure by slowing the heart.

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