This reduced aortic valve orifice size should be distinguished from critical aortic stenosis ... further evaluation by dobutamine stress testing could be helpful.

Note: Left ventricular (LV) wall stress is directly ... The diagnosis of aortic stenosis is often made initially on physical examination and confirmed by echocardiography. The ECG findings of ...

DSE dobutamine stress echocardiography, SVI stroke volume index, and V max aortic maximum velocity. In contrast, in asymptomatic patients with aortic stenosis and normal left ventricular systolic ...

For low-dose dobutamine stress echo, no good alternatives exist ... noting that it is specifically the diagnosis of low-flow aortic valve stenosis for which dobutamine has no established substitute.

Pharmacological stress testing can be done using either regadenoson (Lexiscan, Astellas) or dobutamine ... (from hibernating myocardium). Aortic valve stenosis, when severe, is considered a ...

For patients unable to exercise adequately, dobutamine stress echocardiography ... overall sensitivity for >70% stenosis at the time of cardiac catheterization was 95%, with a specificity of ...

The only criterion for exclusion was hypotension, defined as either the need for intravenous inotropic or pressor agents (dobutamine ... of severe aortic stenosis. 26 In addition, echocardiography ...

The slightly abnormal flow through bicuspid aortic valves puts extra stress on the ... your doctor will order an ...

I think it is worthwhile to wait for moderate aortic stenosis to become severe in symptomatic ... moderate and not severe, possibly with a dobutamine stress echo or CT scan. Then, a heart failure ...

Calcific aortic stenosis (AS ... staging of AS are based on the assessment of stenosis severity and left ventricular systolic function by Doppler echocardiography, and the presence of symptoms.