Polycythemia and increased erythropoietin in a patient with chronic kidney disease.

Background: A 16-year-old white male with a history of obstructive uropathy presented to a pediatric outpatient clinic with a first syncope. At presentation, he had a hemoglobin level of 220 g/l, a serum erythropoietin level of 27.4 U/l and a serum creatinine level of 200.

Extrasystoles: side effect of kangaroo care?

Objective: To present an unpublished reason for an arrhythmic electrocardiogram (ECG) recording during kangaroo care in a preterm infant.

Design: Case report.

Patient: Preterm infant.