Radiotherapy 1
Radiotherapy 1 : Radiation treatment. In a stricter sense, any treatment of human beings with ionizing radiation is meant. Numerous radiation treatments are carried out in the case of cancer. Radiation effect in the case of very high whole-body irradiation. Effects to be expected for short-term whole-body irradiation: up to 0.5 Gy: no verifiable effect except for slight changes in the complete blood count; 0.5 to 1 Gy: for 5 to 10% of the persons exposed, vomiting, nausea and fatigue for about one day; 1 to 1.5 Gy: for about 25% of the persons exposed, vomiting and nausea, followed by other symptoms of radiation syndrome; no deaths to be expected; 1.5 to 2.5 Gy: for about 25% of the persons exposed, vomiting and nausea, followed by other symptoms of radiation syndrome; some deaths possible; 2.5 to 3.5 Gy: for almost all persons exposed, vomiting and nausea on the first day, followed by other symptoms of radiation syndrome; about 20% of deaths within 2 to 6 weeks after exposure; about 3 months convalescence for survivors; 3.5 to 5 Gy: for all persons exposed, vomiting and nausea on the first day, followed by other symptoms of radiation syndrome; about 50% of deaths within one month; about 6 months convalescence for survivors; 5 to 7.5 Gy: for all persons exposed, vomiting and nausea within 4 hours after exposure, followed by other symptoms of radiation syndrome. Up to 100% deaths; few survivors with about 6 months convalescence; 10 Gy: for all persons exposed, vomiting and nausea within 1 to 2 hours; probably no survivors; 50 Gy: extremely serious illness occurring almost immediately; death of all persons exposed within one week
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