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1

Hyponatremia

Potential etiologies of hypotonic hyponatremia based on volume status of patient. CNS, central nervous system; SIADH, syndrome of inappropriate antidiuretic hormone

Produced by the BMJ Knowledge Centre; adapted from algorithm supplied by Dr J. Veis

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5

Hyponatremia

Brain magnetic resonance imaging of a patient with central pontine myelinolysis showing: (a) trident-shaped hyperintensity within the pons; (b) hypointensity within the basis pontis; and (c) hyperintense focus in the central pons

BMJ Case Reports 2013; doi:10.1136/bcr-2013-009970

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2

Hyponatremia

Algorithm for the diagnosis of hypotonic hyponatremia. SIADH, syndrome of inappropriate antidiuretic hormone

Created by BMJ Knowledge Centre

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4

Hyponatremia

Brain magnetic resonance imaging of a patient with central pontine myelinolysis showing hypointensity within the basis pontis

BMJ Case Reports 2013; doi:10.1136/bcr-2013-009970

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3

Hyponatremia

Etiologies of hypotonic hyponatremia (serum osmolality <275 mOsm/kg). SIADH, syndrome of inappropriate antidiuretic hormone

Produced by the BMJ Knowledge Centre

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