- Abnormal low and high refer to the lower and upper reference limits, respectively. They are defined as measurements which lie outside the 95% prediction interval at all age groups
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aBorderline zone values should be looked up in the age-specific tables. The borderline zone was defined as the upper and lower ranges where the measured value lay outside the 95% prediction interval for at least one age group
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LA left atrium, RA right atrium, SV stroke volume, EF ejection fraction, 2Ch two-chamber, 4Ch four-chamber, Biplane derived from four-chamber and two-chamber views; indexed, absolute values divided by body surface area