Echocardiographic Assessment of Left Ventricular Function in Aortic Valve Disease
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چکیده
Echocardiography was used to study left ventricular size and contraction in 128 patients with isolated aortic valve disease 45 patients with aortic stenosis, 25 with mixed aortic valve disease and 58 with aortic regurgitation. Left ventricular measurements included the end-diastolic internal dimension (LVIDd), mural thickness (PWTd), an index of circumferential myocardial contraction fractional shortening (FS = [(LVIDd -LVIDs)/LVIDd] X 100) and stroke volume (LVSV). In the absence of left ventricular failure, measurements in aortic stenosis were characteristic of pressure overload with normal LVIDd
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