Letter: Techniques of measuring regional wall motion.
نویسندگان
چکیده
منابع مشابه
Regional Wall Motion
After a 4-minute i.v. dipyridamole infusion, 0.14 mg/kg/min, serial thallium-201 scans were obtained in 60 patients undergoing cardiac catheterization. Forty patients had significant (> 50% stenosis) coronary artery disease (CAD), and 20 patients had normal coronary arteries or trivial lesions. The images were graded qualitatively for thallium activity by three observers. Sensitivity was 93% (3...
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The assessment of regional left ventricular (LV) function has been an important yet unresolved problem since the introduction of echocardiography as a diagnostic tool. Abnormal regional LV wall motion is an early finding in multiple cardiac pathologies and its diagnosis is of critical importance. In the last few years diagnostic procedures based on combined use of existing echocardiographic tec...
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coronary artery disease. We evaluated 270 segments in 54 patients, including 27 without evidence of myocardial infarction. Most normally perfused regions (125 of 140) contracted normally, whereas those with scintigraphic defects at rest were usually asynergic (42 of 46). Surprisingly, 57% (48 of 84) of regions with exercise-induced perfusion defects were also asynergic, including 48% (25 of 52)...
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OBJECTIVE To investigate neonatal circulatory change by quantitative analysis of left ventricular regional wall motion. DESIGN Random prospective study. SETTING Department of paediatrics in a teaching hospital. PARTICIPANTS 66 neonates born after a normal pregnancy, labour, and delivery. INTERVENTIONS Quantitative analysis of left ventricular regional wall motion was performed on cross ...
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ژورنال
عنوان ژورنال: Circulation
سال: 1975
ISSN: 0009-7322,1524-4539
DOI: 10.1161/circ.51.2.1112021