title: Patient-controlled analgesia masking pulmonary embolus in a postoperative patient.
authors.affiliation: Department of Medicine, Massachusetts General Hospital, Boston 02114.
authors.forename: G S
authors.initials: GS
authors.lastname: Meyer
authors.forename: K A
authors.initials: KA
authors.lastname: Eagle
mesh_terms: D016058:Analgesia, Patient-Controlled / Q000009:adverse effects*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007719:Knee Joint / Q000601:surgery; D008875:Middle Aged; D010003:Osteoarthritis / Q000601:surgery; D010149:Postoperative Pain / Q000150:complications / Q000188:drug therapy*; D011183:Postoperative Complications / Q000175:diagnosis*; D011655:Pulmonary Embolism / Q000150:complications / Q000175:diagnosis*