title: Hyperventilation with coincidental cardiac arrhythmias: a diagnostic pitfall in patients with presyncope.
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D002245:Carbon Dioxide; D005080:Exercise Test; D005260:Female; D006801:Humans; D006985:Hyperventilation / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D013575:Syncope / Q000503:physiopathology
chemical_list: D002245:Carbon Dioxide