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1. 急性被ばくの臨床症状、評価、診断clinical manifestations evaluation and diagnosis of acute radiation exposure [show details]
… and amount of radiation exposure and the tissues that are exposed: Radiation exposure – Different types of ionizing radiation exposure produce distinctive patterns of injury: Alpha particles can cause superficial …
2. 画像診断検査やIVRによる医療従事者の職業被曝リスクradiation risk to healthcare workers from diagnostic and interventional imaging procedures [show details]
…related topics, including discussions of radiation injury and radiation exposure in cardiovascular imaging, are presented separately. Exposure to ionizing radiation can lead to tissue reactions (formerly …
3. 新生児における小脳の外傷および奇形の概要overview of cerebellar injury and malformations in neonates [show details]
… transportation to the scanner and also exposes the patient to ionizing radiation. Neuroimaging is used to diagnose cerebellar malformations and injury. Prenatal ultrasound, and in some cases magnetic resonance …
4. 鈍的胸部大動脈損傷の臨床的特徴と診断clinical features and diagnosis of blunt thoracic aortic injury [show details]
… imaging avoids ionizing radiation and iodinated contrast, and although good-quality images of the aorta can be obtained, this study is uncommonly used in the diagnosis of blunt thoracic aortic injury due to the …
5. 手術室の安全性safety in the operating room [show details]
… Risks of exposure of patients and OR personnel to ionizing radiation and approaches to risk reduction are discussed separately. Electrical injury can cause respiratory paralysis, seizures, muscle contractions …

「放射線障害」

英: radiation damage, radiation injury, radiation hazard
同: 放射能症、電離放射線障害 radiolesion ionizing radiation injury、放射線の危険性 radiation risk
関: 放射線、放射能、放射性核種

全身被爆の症状と予後 RNT.322

全身被爆線量	前駆症状(%)	潜伏時間	死因	症状	死亡率(%)
～2	0～50	>3 hr		無症状～軽度の血球現象	0～10
2～10	100	0.5-3 hr	骨髄死	血球現象→感染、出血	0～90
10～20	100	0.5 hr	消化管死	嘔吐・下痢・吐血・下血・脱水	90～100
50	100	several min.	中枢神経死	脳浮腫→けいれん、意識障害	100
*前駆症状：悪心、嘔吐、めまい、全身倦怠感、発熱

末梢の血球への影響はリンパ球＞その他の白血球＞血小板＞赤血球

SUB 449

身体的影響	早期障害	骨髄抑制、嘔吐、下痢、下血、放射線宿酔	確定的影響(閾値有り)
		皮膚紅斑・潰瘍、脱毛
		不妊、脳浮腫
	晩期影響	白内障、胎児奇形
遺伝的影響		白血病、癌	確率低影響(閾値無し)
	染色体異常など