Why the study?
Does an enlarged left atrium (≥40 mm) correlate with advanced hemodynamic and angiographic abnormalities in patients with coronary artery disease?
Does an enlarged left atrium (≥40 mm) correlate with advanced hemodynamic and angiographic abnormalities in patients with coronary artery disease?
M-mode echocardiographic left atrial enlargement (≥40 mm) is a useful marker of advanced hemodynamic and angiographic abnormality, including lower ejection fraction, in patients with coronary artery disease.
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LA enlargement may flag reduced EF in CAD; hypothesis-generating and should not yet change practice.
Hamby et al. (1982) studied this question.
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