The ready reckoner

Published on 03/06/2015 by admin

Filed under Neonatal - Perinatal Medicine

Last modified 22/04/2025

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CHAPTER 33 The ready reckoner

The following pages contain information useful when admitting a sick infant to intensive care.

The tables contain information (by infant weight) on the size of endotracheal tubes (ETTs) and umbilical lines to use; how far to insert them; and common drug and infusion doses.

Note that the insertion lengths of umbilical catheters are given in cm from the plane of the abdominal wall.

The information is a guide only. All tubes and lines must be checked radiologically for correct placement, and drug doses and infusions checked and titrated to the needs of individual infants.

Table 33.1 Approximate 50th centile birth weights at various gestational ages (combined male and female)

Table 33.2a Ready reckoner for infant weights of 500–950 g

Table 33.2b Ready reckoner for infant weights of 1000–1900 g

Table 33.2c Ready reckoner for infant weights of 2000–4000 g

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Pocket Notes on Neonatology 2e