Metabolic alkalosis in infants with cystic fibrosis [letter].

I have diagnosed six cystic fibrosis infants under 1 year of age, 
four of whom had documented episodes of hypoelectrolytemia and severe metabolic 
alkalosis. These additional data support our previous hypothesis that chronic sweat 
electrolyte depletion, more frequently than previously recognized, can cause severe metabolic 
derangements in infants with cystic fibrosis, especially those living in both 
humid and dry, hot climates. 