Reviews

Stress echocardiography: its emerging role in identifying viable myocardium

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Abstract

SUMMARY

Stress echocardiography is an emerging technique for identifying viable myocardium in patients with left ventricular systolic dysfunction or myocardial infarction.

KEY POINTS

An enhancement in systolic wall thickening when low doses of dobutamine are infused indicates the myocardial segment is viable.

Dobutamine echocardiography is safe and readily portable and produces images immediately available for interpretation and clinical decision-making.

Dobutamine echocardiography will likely play a larger role in guiding coronary revascularization; however, larger studies are needed to fully define its role.


 

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