PubMed · 7885436
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D Butler. 1995-03-16. Gravity scores one, microgravity zero.. https://doi.org/10.1038/374206b0
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A 46-year-old male co-pilot of China Airlines developed shortness of breath during landing on a flight from Tokyo to Taipei on May 17, 1994. He was found dead shortly after landing. He was well and had passed his semi-annual health examination with no history of cardiovascular disease or hereditary disease. A dissecting aneurysm of DeBakey type I and cardiac tamponade with 200 ml blood inside the pericardial cavity during autopsy was noted. The right and left coronary arteries showed atherosclerotic changes with the lumen narrowing down to 30% in the anterior descending branch. Focal myocardial infarction with a healing scar, atheroma and arteriosclerosis of the small arteries including the kidney were observed. Nonspecific changes of the chest X-Ray and EKG with hyperlipoproteinemia suggests that a more advanced technique is required to carefully examine the heart condition during regular physical checkups to prevent sudden illness that might contribute to mass disaster.
A new methodology for estimating the probabilistic risk from acute toxic exposures is planned as a support tool for the Air Force at the Eastern and Western Ranges. Two such methodologies are programs entitled the Launch Area Toxic Analysis program (LATRA) and the Cold Spill Toxic Risk Analysis program (COSTRA). These programs combine probabilistic models of an accident (when applicable), release cloud formation and dispersion (appropriate to the toxic substance and accounting for meteorological conditions), and new exposure-response functions (ERFs) for sensitive and normal exposed populations. These ERFs, anchored on specific exposure standards, estimate the probability of a given severity of health effect in a particular population as a function of the concentration or dose to which it is exposed. The further development and acceptance of these ERFs by the toxicology community, especially for different sensitivities, are key concerns addressed in this paper.
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