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Clark's rule is a medical term referring to a mathematical formula used to calculate the proper dosage of medicine for children aged 2–17 based on the weight of the patient and the appropriate adult dose. [1] The formula was named after Cecil Belfield Clarke (1894–1970), a Barbadian physician who practiced throughout the UK, the West Indies ...
The BNF for Children developed from the British National Formulary (BNF), which prior to 2005 had provided information on the treatment of children, with the doses largely determined by calculations based on the body weight of the child. The guidance was provided by pharmacists and doctors whose expertise was in the care of adults.
The height, weight, and head circumference of a child can be compared to the expected parameters of children of the same age and sex to determine whether the child is growing appropriately. Growth charts can also be used to predict the expected adult height and weight of a child because, in general, children maintain a fairly constant growth curve.
The Broselow Tape relates a child's height as measured by the tape to their weight to provide medical instructions including medication dosages, the size of the equipment that should be used, and the level of energy when using a defibrillator. Particular to children is the need to calculate all these therapies for each child individually.
The estimations in the above tables are based weight and height data from the U.S. NCHS National Health and Nutrition Examination Survey (2011-2014). [18] There was an average BSA of 1.73 m 2 for 3,000 cancer patients from 1990 to 1998 in a European Organisation for Research and Treatment of Cancer (EORTC) database. [19]
These formulas base their findings on the child's age and tape-based systems of weight estimation. Of the many formulas that have been used for estimating body weight, some include the Advanced Pediatric Life Support formula, the Leffler formula, and Theron formula. [1] There are also several types of tape-based systems for estimating children ...
Stunted growth, also known as stunting or linear growth failure, is defined as impaired growth and development manifested by low height-for-age. [1] It is a manifestation of malnutrition (undernutrition) and can be caused by endogenous factors (such as chronic food insecurity) or exogenous factors (such as parasitic infection).
The diagnosis of FTT relies on plotting the child's height and weight on a validated growth chart, such as the World Health Organization (WHO) growth charts [62] for children younger than two years old or the U.S. Centers for Disease Control and Prevention (CDC) growth charts [63] for patients between the ages of two and twenty years old. [3]