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Table 1 Nasal potential difference measurements at basal, change after amiloride, chloride, and isoproteronol infusions. Results were suggestive of possible cystic fibrosis.

From: Cystic fibrosis presenting as recurrent pancreatitis in a young child with a normal sweat test and pancreas divisum: a case report

 

NORMAL

CF

Pt's Left Nare

Pt's Right Nare

Basal (mV)

18.2 ± 8.3

-45 ± 11

-21

-35

Δ Amiloride

10.5 ± 6

29.8 ± 11

9

33

Δ Low Chloride

-14.1 ± 9

2.2 ± 2.3

-2

-12

Δ Isoproteronol

-9.6 ± 5

0.9 ± 2.2

-6

-2