title: [Non-infarctional Q wave:clinical analysis of 23 cases with literature review].
mesh_terms: D000328:Adult; D000368:Aged; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis; D002543:Cerebral Hemorrhage / Q000175:diagnosis; D004452:Echocardiography; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006973:Hypertension / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000175:diagnosis; D011660:Pulmonary Heart Disease / Q000175:diagnosis; D012214:Rheumatic Heart Disease / Q000175:diagnosis; D014672:Vectorcardiography