title: Periodic breathing imitating hyperventilation syndrome.
abstract: We report a male patient who developed an unusual periodic breathing. At presentation, the differential diagnosis at bedside between Cheyne-Stokes and primary hyperventilation syndrome was laborious, and the final verification was based on the result of capnography.
authors.affiliation: Department of Diseases of the Chest, Turku University Central Hospital, Preitilä, Finland.
authors.forename: K
authors.initials: K
authors.lastname: Liippo
authors.forename: H
authors.initials: H
authors.lastname: Puolijoki
authors.forename: E
authors.initials: E
authors.lastname: Tala
mesh_terms: D002639:Cheyne-Stokes Respiration / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D006985:Hyperventilation / Q000175:diagnosis*; D008297:Male; D008875:Middle Aged; D012129:Respiratory Function Tests; D012891:Sleep Apnea Syndromes / Q000175:diagnosis; D013577:Syndrome