International journal of legal medicine
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The case of a suicide attempt of a depressed male using a circular saw is reported and discussed. There was a hesitation injury that is seldom described in this type of power tool suicide. A deviation in the position of the superior sagittal sinus allowed the life of the victim to be saved by a neurosurgical operation.
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The autopsy reports of 233 babies and children aged between 5 days and 7 years, including 190 cases of non-traumatic and 43 cases of traumatic death, were reviewed. In 94 out of 190 cases of death due to natural causes, attempted resuscitation (closed-chest massage) was performed and only in 2 cases could fractures of the ribs localized on both sides in the midclavicular line be observed. In 15 of the 43 cases of death due to traumatic events, fractures mainly of the posterior ends of the ribs occurred. ⋯ Fractures localized in particular in dorsal parts of the chest wall of infants without metabolic bone diseases, however, must be interpreted as a strong indication of physical child abuse. It was observed that relevant injuries due to resuscitation are caused much more frequently or almost exclusively by physicians than by non-medical persons. This finding refutes any possible claims that rib fractures were caused by inexpert resuscitation in a panic-like reaction.
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The yaw angle in flight of high velocity bullets has been discussed for a number of years, due to its contribution to the tumbling of the bullet in the target. Since few unclassified reports of contemporary bullets are available, we investigated the yaw angles of the bullets used in the M16A2, G3, AK-47 and AK-74 rifles by the shadowgraph technique. ⋯ Bullets from some modern small calibre high velocity rifles such as the M16A2 and the AK-74 can have quite large yaw angles in their initial flight. The results, which confirm the opinion of contemporary writers, should settle the controversy in this area of wound ballistics.
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Drug addicts who had died in Copenhagen City and County in 1981 and 1989 were analysed for methadone. In 1981, 94 cases were analysed of which 16% were found positive for methadone, and in 1989, 70 cases were analysed of which 37% were positive. Methadone alone was found to be the cause of death in 50% more cases in 1989 than in 1981. ⋯ Alcohol was found in only about 30% of the methadone-positive cases. The median whole blood concentrations of methadone found in addicts where methadone was the cause of death was 0.3 mg/kg where no alcohol was present and 0.2 mg/kg where alcohol was present. In living persons using methadone, the median was 0.1 mg methadone/kg whole blood with or without alcohol present.
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Cases of fatal poisoning among drug addicts examined at the institutes of forensic medicine in Aarhus, Denmark (n = 238) and Oslo, Norway (n = 263) are compared and discussed on the basis of the availability of illicit and medical drugs during the 1980s. The annual number of deaths among drug addicts in age groups over 30 years increased, but there was no increase in the number of deaths among younger drug addicts in either country. More than 80% of the drug addicts in both samples were men. ⋯ The registered medical drugs propoxyphene, methadone and ketobemidone accounted for half of the Danish cases but only a small number of the Norwegian cases. Amphetamine caused few deaths in either country. Alcohol and benzodiazepines were present in more than one-third of the cases in both countries, indicating frequent use of these substances.