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Biomedical subjects

W Schwerd

Publications and source records attributed to W Schwerd.

46 records · Page 3Linked to original sources
PubMedDate not supplied

Carboxyhaemoglobin and methaemoglobin findings in burnt bodies.

The often observed absence of carboxyhaemoglobin in burnt (charred) bodies is re-discussed in the light of two new cases in which the inhalation of very hot gases obviously led to reflex breathing and circulation arrest. (Macro and microscopic evaluations of the upper respiratory tract can give significant information as to whether a person was still alive at the time of the fire outbreak.) In the cadaver blood of people who survived a given period after a fire, high methaemoglobin values (up to 37%) were found. This was caused by the inhalation of nitrogen oxides that were produced by burning plastic.

Adolescent↗
PubMedDate not supplied

[Composition of intervillous thrombi from maternal and fetal blood].

In serological studies blood groups of intervillous thrombi of the placenta were identical with maternal blood groups in 88.9%. Identity with fetal blood groups occurred in 11.1%. Utilizing an elution technique in smears prepared from intervillous thrombi, 11.68% of the erythrocytes were of fetal, 88.32% of maternal origin. In conclusion, intervillous thrombi are mainly composed of maternal cells. The existence of small amounts of fetal cells simultaneously, points to the possible etiology: Local damage of the trophoblastic epithelium of the villi is followed by escape of fetal cells into the intervillous space and later aggregation of maternal blood. Finally, the clinical relevance of intervillous thrombosis in maternal Rh-isoimmunization, pregnancy induced hypertension and intrauterine fetal anaemia is discussed.

ABO Blood-Group System↗
PubMedDate not supplied

[Determination of questionable suicide as a homicide by studies of criminal stains].

In a woman found dead with cuts on both arms in a domestic sauna plastered with blood were assumed next to a bleed to death. The question self-infliction or by a third party of arm injuries could not be decided. By investigation of blood traces only could be clarified the cause of death. The husband had strangled his wife and inflicted several cuts on both arms with a razor blade to simulate suicide. Afterwards, he also inflicted several cuts on himself with a razor blade with the intention of suicide. He survived these injuries.

Adult↗
PubMedDate not supplied

[At first a clear case: homicide by injury to the neck].

Reported is of a 33 year old female found dead in the basement of her home, manifesting strangulation/throttling marks on the neck. The attack on the throat was, however, not cause of death but a CO intoxication. This woman was killed by direct inhalation of 99% carbon monoxid administered by her husband (via a mask or hose). The carbon monoxid was obtained from a gas cylinder normally used for medical purposes.

Adult↗