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Glossary for Adult Congenital Heart Disease, Z—Z |
- Z-score, Z-value
- A way of expressing a physiologic variable in a form corrected for age and body size.
Important in pediatrics. This is the number of standard deviations a measurement departs
from mean normal. (Rimoldi HJA, et al. A note on the concept of normality and abnormality
in quantitation of pathologic findings in congenital heart disease. Pediatr Clin North
Am 1963;10:589-591.)
(Daubeney PEF et al. Relationship of the dimension of cardiac structures to body size:
an echocardiographic study in normal infants and children. Cardiol Young 1999;9:402-410.)
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Glossary prepared by Jack M. Colman, MD, Toronto Congenital Cardiac Centre for Adults; Erwin N. Oechslin, MD, University Hospital, Zurich, Switzerland; and Dylan A. Taylor, MD, University of Alberta Hospital. Used with permission. |
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