title: Electrocardiographic changes during hyperventilation resembling myocardial ischemia in patients with normal coronary arteriograms.
mesh_terms: D000328:Adult; D000790:Angiocardiography; D003327:Coronary Disease / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D006985:Hyperventilation / Q000175:diagnosis / Q000503:physiopathology*; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion