Beta-blockers are used to treat hypertension, tachyarrhythmias such as atrial fibrillation, and systolic congestive heart failure. Other less common indications include anxiety, migraine headache ...

ACC/AHA guidelines recommend early intravenous beta-blockers when no contraindication exists. Otherwise, oral administration of beta-blocker therapy may be initiated in the acute setting.

However, the totality of data now demonstrate that African Americans respond favorably to β-blockers and are capable ... dysfunction without an overt contraindication. The first prospective ...