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Objective Diastolic-systolic velocity ratio (DSVR) is a resting index to assess stenoses in the left anterior descending artery (LAD). DSVR can be measured by echocardiographic or intracoronary ...

Introduction: Diastolic-systolic velocity ratio (DSVR) is an index to assess LAD stenoses and can be measured by transthoracic echocardiography or intracoronary Doppler flow velocity. The aims of this ...

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Background: Diastolic to systolic velocity ratio (DSVR) of coronary artery assessed by ultrasound Doppler technique at rest is clinically useful for detection of epicardial coronary artery stenosis.