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October 1, 1948PEDIATRICS

Mean values for cardio-thoracic ratio decreased from 0.44 at four years of age to 0.40 in post-adolescent age groups, with no ratios found above 0.50 or below 0.32.

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Population

128 healthy children and adolescents (3205 roentgenograms)

Design

Cohort

Follow-up

over a period of years

Authors

MMMarion M. Maresh

Discussion

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Overview

Cardiac size and cardio-thoracic ratio fluctuate during childhood and adolescence in relation to bodily growth, with normal cardio-thoracic ratios ranging between 0.32 and 0.50.

Structured PICO

P
Population
128 healthy children and adolescents (3205 roentgenograms)
O
Outcome
Cardiac diameters (transverse, long, and broad) and internal diameter of the chestsurrogate

Cardiac size and cardio-thoracic ratio fluctuate during childhood and adolescence in relation to bodily growth, with normal cardio-thoracic ratios ranging between 0.32 and 0.50.

Cite This Study

Marion M. Maresh (1948) studied this question.

synapsesocial.com/papers/6a7da4a17096e04f9ca1415bhttps://doi.org/10.1542/peds.2.4.382
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