. Ciba Foundation colloquia on ageing. Old age; Aging; Animals -- growth & development. Effect of Age on the Body's Tolerance 141 The same principles have been used in estimating the upper and lower limits of body tolerance for water and certain electrolytes for normal individuals of various ages, depicted in Fig. 2. The upper limits shown in this figure are of necessity approximate, being based on the relatively few data available in the literature and the files of our metabolic unit (Talbot et ah, 1952; Talbot, Crawford and Butler, 1953; Talbot et ah. HEIGHT OF T WAVES 2 IN LEAD IE
. Ciba Foundation colloquia on ageing. Old age; Aging; Animals -- growth & development. Effect of Age on the Body's Tolerance 141 The same principles have been used in estimating the upper and lower limits of body tolerance for water and certain electrolytes for normal individuals of various ages, depicted in Fig. 2. The upper limits shown in this figure are of necessity approximate, being based on the relatively few data available in the literature and the files of our metabolic unit (Talbot et ah, 1952; Talbot, Crawford and Butler, 1953; Talbot et ah. HEIGHT OF T WAVES 2 IN LEAD IE INPUT a 60 OUTPUT mEq / m^/ day Fig. 1. Demonstration of physiological maximum tolerance for potassium in a patient with impaired kidneys. (From Talbot et al., 1956). 1955, 1956; Talbot, Richie and Crawford, 1958). In all instances, they are intended to represent levels which can be attained by healthy individuals within a day or so and not the uttermost levels which can be attained after extensive prior conditioning. The lower limits include normal growth re- quirements for infants and children, a factor of relatively small size after the first few months of life. It can be seen that with the exception of young infants, individuals normally. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ciba Foundation; Wolstenholme, G. E. W. (Gordon Ethelbert Ward). Boston, Little, Brown
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