Hi, In archives of the forum I found three different normal values for left atrium and left ventricle. left atrium 3.0-4-0cm left ventricle end diastolic diameter 4.5-5.6cm left ventricle end systolic diameter 3.0-4.0cm left atrium 3.0-4.0cm left ventricle id(dia) 3.5-4.5cm left ventricle id(sys) 2.5-3.5cm left atrium 3.0-4.0cm left ventricle 4.0-5.0cm left ventricle 3.0-4.0cm What are normal values of left atrium and left ventricle for a (a) sedentary man, (b) a man who exercises a lot and (c) athletic man? What is the difference between left ventricle end diastolic and systolic with left ventricle iddia+idsys. Is left atrium normal value same as left ventricle idsys? In archive I found out that normal ejection fraction is >55 but does not say up to what number. What is normal ejection fraction range? Is it better if it is on low, average or high side of normal? Thank you for your time. Bob
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