Dobutamine stress echo test stress test
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A Guideline Protocol for the Assessment of Aortic Stenosis ...
bsecho.orgStep 3: Consider low dose dobutamine stress echocardiography to determine severity of aortic stenosis1,7 PAGE 14 - start dobutamine infusion at 5mcg/kg/min to a maximum 20mcg/kg/min - test terminated when LVOT VTI or stroke volume increases >20% and/or HR increases >10-20 beats/min (or significant-
TAVR: Criteria, Procedure, Pre & Post Care
promedicacme.comDobutamine stress echocardiography can be used to differentiate between true and pseudo severe aortic stenosis Better define the severity of the aortic stenosis Accurately assess contractile/pump reserve Some patients with severe aortic stenosis based on valve area have a lower than expected gradient (e.g. mean
Guidelines for Performance, Interpretation, and ...
www.asecho.orgischemia, aortic dissection, or takotsubo/stress cardiomyopathy, and may occasionally obviate the need for stress testing. The presence of any condition that may make stress unsafe (e.g., severe valvular heart disease in a symptomatic patient) should be noted. In such cir-cumstances, the stress portion of the test may be postponed or