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Interpretation of dobutamine echo (DbE) in pts with atrial fibrillation (AF) may be difficult because of comparing cycles of varying RR interval. We sought to document hemodynamic profile, efficacy and prognostic value of DbE in AF.Methods: Of 3011 consecutive pts undergoing DbE over 5 years, 115 had AF at rest. A standard Db protocol was used (5-40 mcg/kg/min in 3 min increments with atropine up...
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