title: Letter: Signs and treatment of cardiopulmonary arrest.
mesh_terms: D001926:Brain Death; D002560:Cerebrovascular Circulation; D005132:Eye Manifestations; D006323:Heart Arrest / Q000175:diagnosis / Q000628:therapy; D006336:Heart Massage; D006801:Humans; D002534:Hypoxia, Brain / Q000175:diagnosis; D010138:Pacemaker, Artificial; D011680:Pupil; D012121:Respiration, Artificial; D012151:Resuscitation