Guest guest Posted September 6, 2002 Report Share Posted September 6, 2002 Well, usually the reason has several bases: 1) many with cf lose up to 7 times the amount of sodium chloride in all bodily exoc rine secretions as do non cfers, and many times the ammount of other electrolytes, such as potassium chloride as well; this is, in part, what the famous " sweat chloride test " is all about; electrolytes are lost especially during hot weather through well, SWEAT! This can also cause lause of bodily fluids, dehydration or partial dehydration and can even lead to non-epileptic caused seizures and loss of consc iousness. So in terms of survival sense, heat is a great danger to most with cf, whether from the climate, overheated house, fever--whatever the cause; 2) the elctrolytes that are lost through sweat, primarily sodium chloride, and even calcium chloride, are irritating to the skin, cause itching and burning and make the person wcf extremely uncomfortable, in addition to all that mentioned above; 3) one of the tests often done on cf patients admitted to hospital for an exacerbation is a complete electrolyte panel; especially if the weather is hot or the patient has had a fever or both, the drop in all chloride channel electrolytes can be astonishing. Tomorrow I will be moving, and I found a lot of old medical records, some however, as recent as last year, and read the blood and serum work-ups; on one admission for an infection (lungs), my chloride level, which should be well over 106, was 90; my sodium level, which should be above 135, was 95, and my potassium level, which should be about 5 or so, was about 3.00--in otherwords, I was heading into shock! All this from a low-grade fever and mildly warm, but uncomfortable to me, warm weather. For those with an asthmatic component AND low sweat chloride test scores, this heat sensitivity may not be such a problem--but it is common, and it is serious. My doctor just reminds me over and over again that eating provides the " sponge " which holds the water in and that I should drink gatorade (I dilute mine by half with water) and eat, EVEN IF I DO NOT HAVE ANY INCLINATION TO DO SO. My sweat chloride scores were 170 to 180 at the highest and 150 at the lowest, so far! I would say that doing what many parents do is wise: just use your own observation, and, if in doubt, extra nutrition and fluids won't harm anyone in hot weather and may really make the difference in your child. There are always look warm showers, and if your child likes it, and has had swimming lessons, swimming in hot weather. My guess is that children with cf get cranky in hot weather for all of the above reasons and that one must try any number of solutions to prevent dehydration, over-heating, and the uncomfortable skin problems. I know that my mother NEVER over-dressed me, and that surely was fine with me--same with my daughter. I used to get telephone calls from the school that little r. was not wearing her jacket! She had not left the house wearing it either. I just left it up to her, within reason, of course. Teach YOU to ask ME a question!!!!! I hope that I have helped and not confused the situation. This is obviously one of my pet peeves! n, wcf, mom of 3 adults, 1 wcf, and a family full of pet peeves! I cannot believe that you actually signed up for one of my major diatribes! Cheers to you and yours! Quote Link to comment Share on other sites More sharing options...
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