A case of acute methane intoxication has been studied.The corpse of Mr. R (38 years old) without signs of violent death was found in a manhole.
R e s U L t sDuring external examination extensive purple lividity located on the back surface of the head, neck, on the upper third of the chest, trunk, upper and lower limbs was observed. There were numerous petechial hemorrhages on the cheeks and chin. There were also multiple petechial hemorrhages in the connective membranes of the eyes.Autopsy was performed. The myocardium on the section was greyish-brown, flabby and dull. There were areas of uneven blood-filling. The walls of the coronary arteries were thickened. The walls of the interventricular branch of the left coronary artery was circularly thickened, the lumen in the middle third was narrowed to 10% due to the presence of fibrous plaques.A differential diagnostics between cardiac death and methane intoxication was needed. The rate of death was estimated according to the scale proposed by
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