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The autopsy findings of intensive gunshot residues at the exit wound after a gunshot wound in the head led to an experimental investigation to clarify the mode of origin and intensity of these gunshot residues on the inner surface of the exit wound. For this purpose a simple skull/brain model was prepared. The results of the examination showed that with weapons of the same calibre distinct gunshot residues should be expected at the exit wound.

Two cases of pulmonary artery perforation are reported in association with the use of the Swan-Ganz catheter. A 71- and a 95-year-old woman were monitored by a flow-directed catheter pre- and intraoperatively. Both of them died. After taking other cases in the literature into consideration, this severe complication can be classified as "typical" for this examination technique. Possible means of prevention, diagnosis, and treatment of these complications are discussed. A review of incidence and genesis is given.

The registration of patients with acquired immune deficiency syndrome (AIDS) and AIDS deaths is centralized for medical research. A short review of the epidemiological state of AIDS in Hamburg is given (situation as of February 1985), and the autopsy results of seven postmortem examinations are referred to. Kaposi's sarcoma was seen in four patients and opportunistic infections in all cases, especially as a result of Pneumocystis carinii and cytomegalovirus. Due to the constellation of groups with an increased risk of acquiring AIDS--homosexual males, intravenous drug abusers and prostitutes--forensic implications have to be expected.