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Biomedical subjects

O Fryc

Publications and source records attributed to O Fryc.

28 records · Page 2Linked to original sources

Experimental evaluation of rigor mortis. III. Comparative study of the evolution of rigor mortis in different sized muscle groups in rats.

The use of new methods and an appropriate apparatus has allowed us to make successive measurements of rigor mortis and a study of its evolution in the rat. By a comparative examination on the front and hind limbs, we have determined the following: (1) The muscular mass of the hind limbs is 2.89 times greater than that of the front limbs. (2) In the initial phase rigor mortis is more pronounced in the front limbs. (3) The front and hind limbs reach maximum rigor mortis at the same time and this state is maintained for 2 hours. (4) Resolution of rigor mortis is accelerated in the front limbs during the initial phase, but both front and hind limbs reach complete resolution at the same time.

Animals↗

Experimental evaluation of rigor mortis. IV. Change in strength and evolution of rigor mortis in the case of physical exercise preceding death.

Evolution of rigor mortis in rats exercised before death shows the following characteristics with respect to controls: (1) Its intensity is increased in the initial phase. (2) It reaches its maximum development at the same time. (3) Higher maximum values are reached (in our experiments 1.39 times the maximum values for controls). (4) Higher values are maintained from 100 minutes to 16 hours with statistically significant differences. (5) It attains resolution at the same time.

Animals↗

[Fatalities associated with methadone administration in the Geneva canton (1987-1993)].

In Geneva 41 deaths associated with methadone have been observed between 1987 and 1993. In 11 cases death was caused by heroin overdose in combination with methadone. In 6 other cases (natural death, hanging, murder, road accident, drowning and burning) methadone, although in feeble doses, could have played a role in the circumstances leading to death. In 24 other cases, where methadone was the sole cause of death, 10 of these were in individuals participating in Methadone Maintenance Schemes, but none in the first two weeks of the scheme, 8 occurred in the year following release from prison (3 less than two weeks after release), 11 were associated with a parallel intake of benzodiazepines and 8 with an intake of alcohol.

Adolescent↗