Background: There is evidence that the suspension of betablockers (BB) in decompensated heart failure may increase mortality. Dobutamine (dobuta) is the most commonly used inotrope in decompensation, however, BB and dobuta act with the same receptor with antagonist actions, and concurrent use of both drugs could hinder compensation.

We report the case of a patient with septal hypertrophic cardiomyopathy undergoing surgical correction in which the use of intraoperative transesophageal echocardiography permitted the planning of the surgical approach and an immediate knowledge of the surgical outcome.

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