A seven year old child with recurrent chest infections and exocrine pancreatic insufficiency is suspected of having cystic fibrosis. Sweat chloride levels have been observed to be between 40-60 mmol/l on two separate occasions. Which of the following test should be performed next to suppo the diagnosis of Cystic fibrosis?
A seven year old child with recurrent chest infections and exocrine pancreatic insufficiency is suspected of having cystic fibrosis. Sweat chloride levels have been observed to be between 40-60 mmol/l on two separate occasions. Which of the following test should be performed next to suppo the diagnosis of Cystic fibrosis?
💡 Explanation
A seven year old child with recurrent chest infections and exocrine pancreatic insufficiency is suspected of having cystic fibrosis. Sweat chloride levels have been observed to be between 40-60 mmol/l on two separate occasions. Which of the following test should be performed next to suppo the diagnosis of Cystic fibrosis?
✓ Correct Answer: C. Demonstrate an abnormal nasal potential difference
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