Which one is not true regarding pyloric stenosis.
Correct Answer: Alkaline urine
Description: Ans. is 'b' ie. Alkaline urine (Ref. Schwartz, 9/e p1426 (8/e p1486, 7/e, p 1728))Because of persistant vomitting, there will be, loss of potassium and chloride ion and the infant will develop metabolic alkalosis & hypokalemia & hypochloremia."The serum pH level is high where as the urine pH level is high initially but eventually drops as the severe potassium deficit leaves only hydrogen ion to exchange with sodium ions in the distal tubule of the kidney. "This will lead to paradoxical aciduria.
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