PMC4933859_01
Dobutamine stress echocardiogram (DSE) at 20 mcg/kg/min of dobutamine. AVA: aortic valve area, HGen: midrange frequency, PG: pressure gradient, Vmax maximum velocity, Vmean: mean velocity, and VTI: velocity time integral.
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fig1
AV area of 0.61 cm2. A dobutamine stress echocardiogram (DSE) revealed a mean AV gradient of 39 mmHg at dobutamine 20 mcg/kg/min (43 mmHg at 15 mcg/kg/min), with a peak AV velocity of 435 cm/s, AV area of 0.55 cm2, and an EF of 37% (Figure 1).
Chest computerized tomography, transverse plane.
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fig2
The chest computerized tomography (CT) showed a porcelain aorta without evidence of aneurysmal dilatation (Figure 2).