Hyponatremia and increased exchangeable sodium in chronic obstructive lung disease.
D000368:Aged; D001784:Blood Gas Analysis; D006801:Humans; D007010:Hyponatremia / Q000209:etiology*; D008171:Lung Diseases / Q000150:complications*; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000150:complications*; D012129:Respiratory Function Tests; D014882:Water-Electrolyte Balance