Ardms Practice Test & Exam Prep

Which finding during dobutamine stress echocardiography indicates myocardial viability in a dysfunctional segment?

Biphasic response: improved function at low dose, then worsening at peak dose No change in wall motion at any dose Worsening wall motion at all doses Hyperkinesis at all doses

Correct Answer:

Biphasic response: improved function at low dose, then worsening at peak dose

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