Electrolyte abnormalities in cystic fibrosis: systematic review of the literature.

Background: Cystic fibrosis per se can sometimes lead to hyponatremia, hypokalemia, hypochloremia or hyperbicarbonatemia. This tendency was first documented 60 years ago and has subsequently been confirmed in single case reports or small case series, most of which were retrospective. However, this issue has not been addressed analytically.

Atypical presentation of a hormonally active adrenocortical tumor in an adolescent leading to delayed diagnosis.

Unlabelled: Adrenocortical tumors are rare in children and present with variable signs depending on the type of hormone excess. We herein describe the unusual presentation of a child with adrenocortical tumor and introduce the concept of in vitro chemosensitivity testing.

Case Report: A 10.

Electrocardiographic QT prolongation and sudden death in renal hypokalemic alkalosis.

A 3-year-old boy was found to have a mixed tubulopathy with hypokalemia (1.9 mmol/l), alkalosis (blood pH 7.51, plasma carbon dioxide pressure 46 mm Hg, plasma bicarbonate 35.